Traveling to London with Diabetes: Insulin, Pharmacies & Medical Care

Traveling to London with diabetes takes some extra planning. Not the fun kind of planning, either.

You’re probably already thinking about where to stay, how many days you need and whether you can squeeze the Tower of London, Westminster Abbey and a proper afternoon tea into the same day. But when you’re traveling with diabetes, there’s another list quietly running in the background.

Where is the closest pharmacy? Can the hotel safely refrigerate insulin? What happens if a CGM sensor fails? And where do you go if you need medical help in a city as enormous as London?

Those are the things I’d rather figure out from my couch at home—not while standing on a London sidewalk with 4% battery and questionable Wi-Fi.

This guide was inspired by my mother-in-law, who was diagnosed with Type 1 diabetes at 16 and is now 74. She has traveled for decades and doesn’t let diabetes dictate where she goes. But it absolutely affects how she plans. An on-site hotel restaurant matters. Backup supplies matter. And knowing where to get help before something goes wrong matters a lot more than most travel guides acknowledge.

London is actually a pretty manageable international destination for travelers with diabetes. Pharmacies are everywhere, there’s no language barrier for American travelers and the city has excellent medical care. Still, I wouldn’t assume you can walk into the nearest Boots and immediately replace your exact insulin, CGM sensor or pump supplies. It may not be that simple.

I’ve pulled together the practical information I’d want saved before traveling to London with diabetes: pharmacies, medical care, insulin storage, hotels, food, airport security, CGMs and pumps, and what to do if something goes wrong.

Because hopefully none of it does. But I’d still rather have the plan.

Important: This guide provides destination and travel-planning information, not individualized medical advice. Talk with your diabetes-care team about medication, storage, time-zone adjustments and your personal emergency plan.

Diabetes & Medical Help in London

Save these numbers before your trip. Hopefully you never need any of them, but this is not information I’d want to search for during an actual emergency.

Life-threatening emergency or ambulance: 999
Alternative emergency number: 112
Urgent medical help that is not life-threatening: 111
Online urgent-care guidance: NHS 111 online
Nearest hospital, urgent treatment center or pharmacy: NHS service finder

The biggest thing to understand is the difference between 999 and 111.

Call 999 if someone is seriously ill or injured and their life may be at risk. You can also call 112, the European emergency number, which connects to the same emergency services in the United Kingdom.

Call 111 when you need urgent medical help but the situation is not life-threatening—or when you honestly have no idea where you should go. NHS 111 can assess what is happening and direct you to a pharmacy, urgent treatment center, out-of-hours doctor or hospital.

That is especially useful in London because the city is huge. The hospital that looks closest on a map may not be the right place for the care you need. I’d call 111 instead of choosing one at random and dragging everyone across London unnecessarily.

My advice: Save your travel-insurance information, medication list and emergency contacts somewhere you can reach without Wi-Fi. Include the generic names of your medications too, not only the American brand names.

It takes about five minutes to do at home. It will feel considerably more important if you ever actually need it.

Quick Navigation

Before Traveling to London With Diabetes

Bringing Medication Into the United Kingdom

What to Do if Medication or Supplies are Lost

Finding Pharmacies in London

Medical Care in London

Insulin Storage at Your Hotel

Eating in London With Diabetes

Frequently Asked Questions

Before Traveling to London with Diabetes

London is a major city with pharmacies and medical care all over the place, which is reassuring. Still, I wouldn’t arrive assuming you can walk into the nearest Boots and replace the exact insulin, medication, CGM sensor or pump supply you use at home. Some things may require a UK prescription, and your particular brand or device may not be readily available.

Before your trip, talk with your diabetes-care team about where you’re going and make sure you have enough medication and supplies for the entire trip—plus extra in case of delays, cancellations or luggage taking its own separate vacation.

I’d also make sure you know:

How your insulin or other temperature-sensitive medication needs to be stored
Whether your London hotel has a refrigerator—and whether it actually maintains the temperature your medication requires
What backup supplies you should bring for your CGM or insulin pump
What documentation you should carry for medications and medical devices
What your health insurance covers outside the United States
Whether your travel insurance includes medical treatment and prescription replacement
The generic names of your medications, not only the American brand names
Where the nearest pharmacy and medical facility are to your hotel
How you’ll handle the time difference between home and London

One other thing I’d do before leaving: download or screenshot the important information in this guide. London has plenty of cell service and Wi-Fi, but somehow phones are never quite as cooperative when you actually need something.

The goal isn’t to plan for every possible disaster. It’s simply to know where to turn so one lost medication, damaged sensor or delayed flight doesn’t take over the entire trip.

My Take

I wouldn’t let any of this make me nervous about traveling to London. Honestly, London is probably one of the easier international cities to visit with diabetes. Pharmacies are everywhere, medical care is readily available and you don’t have to explain what you need in another language.

I’d just rather work out the backup plan before leaving home than try to do it while standing in the middle of London wondering which direction I’m even facing.

If there’s something you absolutely need to manage your diabetes, bring it with you—and bring a backup whenever possible. London can offer a lot of help, but I wouldn’t sacrifice part of my vacation trying to track down one very specific CGM sensor, pump component or medication.

Diabetes Travel Checklist

Medication & Supplies

☐ Pack enough medication for the entire trip plus extra

☐ Keep insulin, medication and essential diabetes supplies in your carry-on

☐ Bring backup CGM sensors, pump supplies, test strips and/or a glucose meter as appropriate

☐ Bring a backup way to monitor your glucose if your usual device stops working

☐ Keep medication in its original labeled packaging when practical

☐ Pack fast-acting glucose or whatever you normally use to treat a low

Before You Leave

☐ Talk with your diabetes-care team about your trip and the time difference between home and London

☐ Ask how to handle medication timing during the overnight flight and after you arrive

☐ Check how your insulin or other temperature-sensitive medication should be stored

☐ Confirm that your London hotel can provide appropriate refrigeration if you need it

☐ Check what your regular health insurance covers outside the United States

☐ Consider travel insurance that includes medical treatment and prescription replacement

☐ Save 999, 111, your insurance information and important medical contacts to your phone

☐ Write down the generic names of your medications, not only the brand names

For the Travel Day

☐ Keep snacks and fast-acting glucose where you can reach them—not buried in the overhead bin

☐ Carry food in case your flight, train or meal is delayed

☐ Keep diabetes supplies with you rather than in checked luggage

☐ Bring a cooling method appropriate for your particular medication if needed

☐ Carry copies of prescriptions and important medical information

☐ Bring a letter from your healthcare provider explaining your condition, medication and medical devices

☐ Check your airline’s current rules for medical bags and extra supplies

After You Arrive in London

☐ Make sure your medication storage is working as expected

☐ Locate the nearest pharmacy to your hotel

☐ Save the address of the nearest appropriate medical facility

☐ Keep your regular low-treatment and snacks with you while sightseeing

☐ Pay closer attention to walking than you normally would—London sightseeing days can add up quickly

One thing I would not do: assume you can easily replace a forgotten CGM sensor, pump component or specific medication after you arrive. London is a major city, but that doesn’t mean the exact product you use at home will be sitting on the shelf at the nearest pharmacy.

Bring the diabetes supplies you depend on with you, plus backups whenever possible. It’s not the most exciting part of packing, but neither is spending half a vacation searching for a sensor.

My Practical Advice

Create one diabetes-information folder on your phone before leaving home. Include your medication list, prescriptions, clinician’s letter, insurance information, emergency contacts, device details and photographs of the supplies you use.

I’d also add screenshots showing the nearest pharmacy to your London hotel and the NHS 111 information. Make sure the folder is available offline because your phone will inevitably choose the least convenient moment to lose service.

It may feel a little excessive while you’re sitting at home putting it together. If something is lost, damaged or left in the seat pocket of an airplane, having everything in one place could save hours of stress.

Bringing Diabetes Medication into the United Kingdom

Travelers can bring medication into the United Kingdom for their own personal use. Still, I wouldn’t toss a collection of loose pens, needles and mystery tablets into a bag and hope no one asks questions.

Keep medications in their original labeled packaging whenever practical and carry a copy of each prescription. I’d also bring a letter from your healthcare provider explaining that you have diabetes and need to travel with your medication, needles, CGM, insulin pump and any other medical supplies you carry.

I’d Have This With Me

Medication in its original labeled packaging when possible
Copies of your prescriptions
A letter from your healthcare provider
A list of each medication’s brand and generic name
The dosage, strength and quantity of each medication
Your travel dates
A list of the diabetes devices and supplies you carry
Contact information for your healthcare provider

The letter should be signed by the prescribing provider and clearly state that the medication and equipment are for your personal medical use.

Most travelers carrying standard diabetes medication for a normal vacation should not need a special UK license. However, the United Kingdom has additional rules for medicines containing controlled drugs.

If any medication you take contains a controlled drug, UK guidance says visitors should carry it with them when entering the country and bring a letter proving it was legally prescribed. The letter should include your name, travel dates, medication names, quantities, dosages and strengths, along with the prescriber’s signature. Visitors can generally bring no more than a three-month supply of controlled medication under the personal-import policy.

Most common diabetes medications are not controlled drugs, but people often travel with more than diabetes medication. I would check every prescription rather than assuming the same rule applies to all of them.

You can review the current requirements on the official UK government medication guidance.

Keep Medication in Your Carry-On

Keep insulin and the diabetes supplies you cannot manage without in your carry-on luggage. Checked bags get delayed, sent to the wrong city and occasionally disappear altogether. My suitcase can spend a night without me. My medication shouldn’t have to.

Essential liquid medication and necessary medical equipment are allowed through UK airport security, although you may be asked for proof that the medication was prescribed to you. Rules can vary slightly by airport and airline, so check both before your trip.

If you use needles or syringes, keep them together with the medication and documentation that explains why they are necessary. I’d also avoid separating everything into several different bags. Keeping the medication, supplies and paperwork together makes the entire situation much easier to explain if anyone asks.

One Important Note About UK Medication Laws

A medication that is perfectly ordinary in the United States may be regulated differently in the United Kingdom. That doesn’t mean you should panic over every prescription in your suitcase. It does mean you should check the UK rules for all the medication you carry—not only your insulin or diabetes supplies.

This is especially important if another medication contains a controlled drug. Visitors carrying controlled medication must be able to prove it was prescribed to them, and UK authorities can take it away at the border if they cannot.

Check each medication using the official UK government guidance before traveling. If anything is unclear, contact the British Embassy or the UK Home Office rather than relying on something you read in a Facebook group three years ago.

What to Do if Insulin, Medication or Diabetes Supplies Are Lost in London

1. Determine Whether You Need Emergency Care

If you are seriously ill or cannot safely manage your glucose, don’t spend precious time calling pharmacies and trying to locate a replacement supply.

Call 999 or 112 for a life-threatening emergency.

For urgent medical help that is not life-threatening—or if you aren’t sure what kind of help you need—call NHS 111. They can assess the situation and direct you to the appropriate pharmacy, urgent treatment center, doctor or hospital.

London has an enormous amount of medical care. The problem is that London itself is also enormous. I wouldn’t randomly choose a hospital from Google Maps and hope it’s the right one. Calling 111 is a much better place to start.

2. Contact Your Diabetes-Care Team

Contact the healthcare professional who normally manages your diabetes. Explain exactly what was lost, damaged or is no longer usable and ask what information a doctor or pharmacist in London may need.

Your healthcare professional may be able to provide:

A copy of your prescription
A current medication list
The generic or active-ingredient name of your medication
Your prescribed dose and concentration
Information about a suitable replacement or alternative
Documentation explaining your diabetes and treatment
Details about your CGM, insulin pump or other device

This is where that diabetes folder we created earlier becomes really useful. If you already saved your prescriptions, medication names, device details and doctor’s contact information, you won’t be trying to gather everything from another country while slightly panicking.

3. Contact Your Travel-Insurance Assistance Service

If you purchased travel insurance, call its medical-assistance number. Depending on your policy, the assistance service may be able to locate a doctor, arrange an appointment, direct you to a suitable medical facility or explain how prescription-replacement claims work.

For London, I’d specifically ask whether the insurer has a preferred clinic or provider for international travelers. Visitors from the United States may be charged for NHS hospital treatment beyond care provided inside an A&E department, so it’s better to involve the insurance company early.

Save that assistance number before leaving home. A phone number buried somewhere on page 47 of an insurance-policy document isn’t particularly helpful when you actually need it.

4. Speak With a London Pharmacist

Bring your identification, medication packaging, prescription records and clinician’s letter to the pharmacy.

Ask about the medication using its generic or active-ingredient name, not only the American brand name. The UK version may have a different name, package size, concentration or delivery device.

A London pharmacist can tell you whether the medication is available, whether an emergency supply may be possible and whether you need to see a UK prescriber first. If the pharmacy cannot help directly, ask exactly what your next step should be.

And I wouldn’t make substitutions on my own. A box looking vaguely familiar is not enough. Confirm any replacement with a qualified medical professional and your regular diabetes-care team.

5. Obtain a UK Prescription if Required

A copy of your American prescription is useful because it shows what you normally take, but it may not be enough for a London pharmacy to dispense the medication.

If the pharmacist cannot provide an emergency supply, you may need a prescription from a UK doctor or another qualified UK prescriber. Bring your original packaging, medication list, prescription copy, clinician’s letter and identification to make the process easier.

For help finding the right service, call NHS 111 or contact your travel-insurance assistance service. The NHS 111 emergency-prescription service may also help direct patients to a participating pharmacy, although an international visitor’s options can depend on the medication and available records.

If the situation has become medically urgent, stop treating it like a pharmacy errand and seek medical care. Call 999 or 112 for a life-threatening emergency, or 111 when you urgently need guidance.

What if You Cannot Find Your Exact CGM or Pump Supply?

A London pharmacy may carry insulin and traditional glucose-testing supplies without stocking the proprietary components used by every CGM and insulin pump.

Even in a city this large, I would not assume a replacement sensor, transmitter, infusion set or other device-specific supply will be readily available. Your particular product might be sold somewhere in the UK, but that doesn’t mean it will be sitting behind the counter at a Boots near your hotel.

If something is lost, damaged or stops working:

1. Contact the device manufacturer’s support line. Ask whether it has a UK support team and whether replacement or distribution options are available in London.

2. Contact your diabetes-care team and explain exactly what happened.

3. Ask your healthcare team what backup monitoring or treatment plan you should follow if the device cannot be replaced right away.

4. Speak with a London pharmacist or medical professional about locally available glucose-testing supplies.

5. Contact your travel-insurance assistance service if you need help finding an appropriate doctor or clinic.

6. Seek medical care promptly if you cannot safely monitor or manage your glucose.

This is why I’d bring more sensors, infusion sets and other device-specific supplies than I expect to use—and keep them in my carry-on.

London gives you plenty of options if something goes wrong. I still wouldn’t want finding one very specific Dexcom sensor or pump component to become the day’s sightseeing activity.

If You Are Staying at a Hotel

Ask the front desk or concierge to help you locate the nearest pharmacy, private clinic or urgent medical service. But call before you go. Confirm that the pharmacy is open and ask whether it carries what you need. London blocks can be deceiving, and I wouldn’t walk 25 minutes through the rain only to discover the pharmacy doesn’t stock it.

If you need medical care rather than simply replacing a supply, ask the hotel for help contacting NHS 111, a local clinic or your travel-insurance assistance service. The staff may also be able to arrange transportation if the appropriate medical facility isn’t nearby.

One advantage of staying in London is that you have options. There are pharmacies throughout the city, and your hotel may be able to call several locations before sending you across town.

This is also one reason my mother-in-law prioritizes a hotel with a staffed front desk and an on-site restaurant. When something goes wrong—or you arrive exhausted after an overnight flight—having actual people and food available in the building can matter much more than a trendy rooftop bar.

Finding a Pharmacy in London

Pharmacies are easy to find throughout London. You may also hear people call them chemists, which threw me the first time I heard it because I pictured something involving a laboratory coat.

Large chains include Boots and Superdrug, along with plenty of independent neighborhood pharmacies. Look for the familiar green pharmacy cross or signs that say pharmacy or chemist.

A London pharmacist can answer questions about medication, explain what is available locally and tell you whether you need to see a UK prescriber. If the pharmacy cannot provide what you need, the pharmacist may also be able to direct you to another healthcare professional.

Still, I would approach this the same way I would anywhere else when diabetes is involved: don’t assume a pharmacy will stock your exact insulin, medication, CGM sensor or pump component. Seeing a Boots five minutes from your hotel on Google Maps doesn’t mean the exact product you need will be sitting on its shelf.

If you need something specific, call before making the trip. Have the generic or active-ingredient name of the medication available, along with the manufacturer and exact model information for any device-specific supplies.

Use the official NHS pharmacy finder to search by your hotel’s postcode and see nearby locations, phone numbers and current opening hours.

One important difference for American travelers: a UK pharmacy may not be able to fill a prescription written in the United States directly. Bring it anyway because it documents what you take, but be prepared for the pharmacist to tell you that you need a prescription from a UK-qualified prescriber.

London has plenty of pharmacies. Finding a pharmacy isn’t likely to be the hard part. Finding your exact medication or device supply may take a few phone calls, which is why bringing backups remains the much better plan.

What if You Need Something After Hours?

This is one situation I would think about before the trip—especially if you’re arriving in London late at night, on a Sunday or during a bank holiday.

London has pharmacies with extended and weekend hours, but there isn’t one single 24-hour pharmacy I’d recommend to every traveler. London is far too spread out for that, and pharmacy hours can change.

Start with the NHS pharmacy finder. Search using your hotel’s postcode and check which nearby locations are currently open.

If you urgently need regularly prescribed medication and cannot find an appropriate pharmacy, use the NHS 111 emergency-prescription service or call 111. NHS 111 can direct you to an open pharmacy or another appropriate medical service.

I would still call the pharmacy before heading over if you need a particular insulin, medication or diabetes supply. Being open at midnight doesn’t mean it stocks the exact product you need—or that it can provide it without a UK prescription.

Weekends and UK bank holidays deserve extra attention because pharmacy hours may be shorter than usual. Check current hours that day rather than trusting an old Google listing. I’ve been personally victimized by “open now” before.

And if the situation is medically urgent, don’t spend the night bouncing between pharmacies trying to solve it yourself. Call 999 or 112 for a life-threatening emergency, or 111 for urgent medical guidance.

What to Bring to the Pharmacy

Bring as much information as you can. The pharmacist will have a much easier time helping if you can show exactly what you use instead of trying to describe “the blue insulin pen—but not the other blue one.”

Take:

Your passport or another form of identification
The original medication packaging
A copy of your prescription
Your clinician’s letter
The medication’s generic or active-ingredient name
The dosage, strength and concentration
A photograph of the medication or device
Your travel-insurance information
The exact manufacturer and model for any CGM or pump supplies

A pharmacist can explain what is available in the UK and whether an emergency supply may be possible. If the pharmacy cannot provide it, ask whether you need to see a UK prescriber and where the pharmacist recommends going next.

Do not assume that two medications are interchangeable because their names or packaging look similar. Confirm any replacement with the pharmacist, prescribing professional and your regular diabetes-care team.

And keep every receipt. Your travel-insurance company may require proof of what you paid before it considers reimbursement.

Save This Before Your Trip

Before leaving home, save these things to your phone:

The contact information and opening hours for the closest pharmacy to your London hotel
The link to the NHS pharmacy finder
999 or 112 for a life-threatening emergency
111 for urgent medical advice
The link to the NHS 111 emergency-prescription service
Your travel-insurance medical-assistance number
Your medication list, prescriptions and clinician’s letter
Contact information for your diabetes-care team
The UK support number for your CGM or insulin-pump manufacturer

I’d screenshot everything too and save it in the offline diabetes folder we created earlier. A webpage is only useful if your phone decides to cooperate.

This may feel like overplanning when everything is fine. If medication is lost or a sensor fails, you’ll be very happy that Past You did the work.

Finding Medical Care in London

London has a huge healthcare system, so the bigger question isn’t whether you’ll be able to find help—it’s where you should start.

For a life-threatening emergency, call 999 or 112. Don’t delay urgent care while trying to find a particular hospital, pharmacy or diabetes specialist.

For an urgent problem that is not life-threatening, call NHS 111 or use NHS 111 online. This is probably the most useful resource for an international traveler because NHS 111 can assess what is happening and direct you to the right place.

Depending on the situation, that may be:

A community pharmacy
An urgent treatment center
An out-of-hours doctor
A hospital A&E department
Another appropriate healthcare service

London also has private clinics and doctors who regularly work with international visitors. Your travel-insurance assistance service may be able to arrange an appointment or direct you to a provider covered by your policy.

Will You Have to Pay?

Possibly—and this part is a little confusing.

Care provided inside an NHS A&E department is generally free, even for overseas visitors. However, if you are admitted to the hospital, transferred elsewhere or receive additional treatment outside A&E, you may be charged.

Visitors from outside the European Economic Area who are not otherwise exempt can be charged 150% of the standard NHS rate for hospital treatment. That is a fairly compelling reason to check your medical coverage before the trip instead of assuming the NHS will cover everything.

Private medical care will also require payment, either from you or through your insurance.

Bring your passport, travel-insurance information, medication list, prescriptions and clinician’s letter whenever you seek care. Keep every medical report and receipt too. Insurance companies do love paperwork.

For me, NHS 111 would be the first number I saved. London has excellent medical resources, but I’d rather let someone familiar with the system tell me where to go than attempt to decode it during an already stressful situation.

Storing Insulin While Traveling in London

London isn’t known for extreme temperatures, but insulin storage is still something I’d figure out before leaving home, not after checking into the hotel.

Summer temperatures are usually manageable, but London does have heat waves—and many hotels, restaurants and older buildings don’t have the powerful air-conditioning Americans are used to. Winter creates the opposite concern because insulin can also be damaged if it freezes.

Storage instructions vary by insulin type and brand. Before traveling, check the manufacturer’s directions for your exact insulin and talk with your pharmacist or diabetes-care team about storing it during the flight, airport transfers, train rides and your hotel stay.

Write down:

The recommended storage-temperature range
How long the insulin can remain unrefrigerated
Whether the instructions change after it has been opened
What to do if it becomes too warm
What to do if it accidentally freezes
How to recognize possible damage
Whether your cooling case needs water, refrigeration or frozen gel packs

Do not leave insulin or diabetes equipment in direct sunlight, inside a parked vehicle or next to a hotel window that receives hours of sun. The UK’s Medicines and Healthcare products Regulatory Agency warns that heat can damage insulin and affect medical devices such as glucose monitors.

Be careful with cooling products too. The CDC advises against placing insulin directly on ice or frozen gel packs because freezing can also damage it. Cooler is not automatically better—which is slightly inconvenient when you’re just trying to keep the thing safe.

Long sightseeing days are where I’d pay particular attention. You may leave the hotel early, spend hours walking and not return until after dinner. Carry whatever temperature-control system works with your specific medication, and follow its manufacturer’s storage instructions.

And don’t assume a hotel minibar is an appropriate medication refrigerator. Some minibars aren’t cold enough, some automatically shut off and others become surprisingly warm when you remove the room key.

Ask the hotel exactly what is available and whether it can reliably maintain the temperature your medication requires. “There’s a minibar in the room” is not quite the reassurance it sounds like.

Do You Need a Refrigerator at Your London Hotel?

That depends on the insulin you use, whether it has been opened, how long you’ll be traveling and the manufacturer’s storage instructions.

Some insulin products can remain at room temperature for a specified period after opening, while unopened supplies may need to be refrigerated. The exact temperature range and length of time vary by product, so this is not something I’d guess based on what worked for someone else.

Before booking your hotel, confirm the requirements for your exact medication with your pharmacist, diabetes-care team or the manufacturer.

If you do need refrigeration, contact the hotel directly and ask:

Is there a refrigerator in the guest room?
Is it a true refrigerator or only a minibar?
Does it remain powered when the guest leaves the room?
Can its temperature be adjusted or monitored?
Is there a shared refrigerator where medication can be stored?
Who can access the medication?
What happens if you need it outside normal front-desk hours?
Can the hotel provide a medical refrigerator or another appropriate option?

Get the answer in writing when possible and confirm it again shortly before your trip. Hotel amenities change, and “refrigerator available upon request” is not particularly helpful if the hotel only owns three of them and all three are already spoken for.

My mother-in-law would rather ask too many questions before booking than discover a problem after checking in. I agree with her. The glamorous side of London travel apparently includes emailing a hotel about refrigerator temperatures.

Don’t Assume a Minibar Is a Refrigerator

A hotel minibar may look like a small refrigerator, but it isn’t necessarily designed to store medication safely.

A minibar may:

Operate at a warmer temperature than a standard refrigerator
Have significant temperature fluctuations
Turn off when you remove the room’s key card
Automatically shut down if items are moved
Have very little usable space
Become cold enough in certain areas to freeze medication
Be locked or completely filled with hotel products

Before relying on one, ask the hotel whether it stays powered continuously and whether its temperature can be checked. Then compare that information with the storage instructions for your specific insulin.

If the minibar isn’t appropriate, ask whether the hotel has another secure refrigeration option. Some hotels may be able to store medication in a staff refrigerator or provide a separate unit—but you need to understand who can access it and whether you can retrieve your insulin at any hour.

I would not accept a vague “yes, the room has a minibar” as the final answer. That tells you there may be tiny bottles of tonic water in the room. It does not tell you whether your medication can be safely stored there.

If the Hotel Stores Your Insulin

If hotel staff will store your insulin or other medication in a central refrigerator:

Place it inside a labeled, sealed container
Include your full name and room number
Clearly state that it must not be frozen
Ask exactly where the refrigerator is located
Find out who has access to it
Ask how you can retrieve the medication early in the morning or late at night
Keep any medication you may need immediately with you
Confirm what happens if the front desk is temporarily unattended
Ask how the hotel will contact you if the refrigerator stops working

I wouldn’t hand over all of my insulin without knowing where it is being stored and how I can get to it when I need it. “The staff will take care of it” is reassuring—but it isn’t quite a plan.

If possible, divide your insulin between appropriate storage locations rather than keeping every bit of it in one place. Ask your diabetes-care team or pharmacist how to do that safely for the particular insulin you use.

And when you check out, add retrieve insulin to your departure checklist. I can absolutely picture myself remembering it approximately six minutes after leaving for Heathrow.

Consider Bringing a Small Thermometer

A compact refrigerator thermometer can help you determine whether an in-room refrigerator is actually maintaining the temperature your medication requires.

This is especially useful when the refrigerator doesn’t display its internal temperature—which seems to be most hotel refrigerators.

Check the thermometer after the unit has had enough time to stabilize, and make sure your medication isn’t resting directly against the cooling element or freezer compartment. One part of a small refrigerator can be considerably colder than another.

If you think your insulin has frozen, overheated, changed appearance or otherwise been damaged, don’t guess. Check the manufacturer’s instructions and contact a pharmacist, the manufacturer or your diabetes-care team for guidance.

A thermometer takes up almost no room in your suitcase and gives you an actual answer instead of relying on the highly scientific “it feels pretty cold in there” test.

Useful references:

Eating in London with Diabetes

Eating in London can give you a surprising amount of flexibility. Yes, you’ll find fish and chips, meat pies, sticky toffee pudding and enough afternoon tea to make you briefly consider living entirely on tiny sandwiches and scones.

But London is also one of the most diverse food cities in the world. You’ll find everything from traditional British pubs to Indian, Middle Eastern, Mediterranean, Asian and modern European restaurants, along with cafés, grocery stores and quick takeaway options on practically every block.

Most menus offer some combination of:

Grilled meat or fish
Vegetables and salads
Soups
Eggs and breakfast dishes
Sandwiches and wraps
Smaller plates and side dishes
Vegetarian and plant-based meals
Sauces or dressings that can be ordered separately

That doesn’t mean every meal will be easy to estimate. Restaurant portions vary, nutrition information isn’t always available and traditional British dishes can contain more carbohydrates than their appearance suggests. Sauces, breading, mashed potatoes, pastry and desserts all like to quietly join the situation.

Traveling with diabetes doesn’t mean you have to avoid British food or skip afternoon tea. It means using the same strategies that work for you at home and having a plan for meals that are harder to estimate.

Your diabetes-care team or dietitian can help you decide how to approach unfamiliar restaurant meals based on your medication, insulin regimen and usual routine.

And I’d keep snacks or fast-acting glucose with me while sightseeing. London days have a way of becoming longer than planned. “We’ll eat right after the museum” can very easily turn into another hour, two Tube rides and someone insisting we quickly stop at one more place.

Expect Limited Nutrition Information

London is a little better than some destinations when it comes to menu information, but you still won’t find complete nutrition details everywhere.

Large restaurant, café and takeaway businesses in England with 250 or more employees are generally required to display calorie information on menus. That can be useful, but calories and carbohydrates are not the same thing. A calorie number doesn’t tell you how many carbohydrates are in the meal or exactly what is hiding in the sauce.

Smaller independent restaurants and pubs may not provide any nutrition information at all.

That doesn’t mean you can’t eat there. It just means you may need to rely on the same strategies you use when eating out at home.

When carbohydrate information isn’t available:

Ask how the dish is prepared
Ask what comes with the meal
Request sauces, gravies and dressings on the side
Ask whether bread, potatoes or chips can be substituted
Use your usual method for estimating carbohydrates
Monitor your glucose according to the plan you’ve made with your diabetes-care team

Many London restaurant menus are available online, so I’d look before arriving if you’re concerned about finding something that works for you. It’s also much easier to study a menu from the hotel than while six people are standing behind you waiting for a decision.

And remember: a restaurant displaying calories doesn’t necessarily mean it publishes full nutrition facts. Helpful? Yes. A complete carbohydrate roadmap? Unfortunately not.

Source: UK calorie-labeling guidance.

Don’t Forget About Drinks

Drinks can be surprisingly easy to overlook when you’re focused on the food.

Sweetened tea, juice, regular soda, cocktails, flavored coffees and some alcoholic drinks can contain a considerable amount of carbohydrate without being particularly easy to estimate.

London also has plenty of drinks that feel like part of the experience—pints at the pub, afternoon tea, fancy cocktails and coffees large enough to qualify as their own meal.

You don’t need to avoid them simply because you’re traveling with diabetes. Just remember to account for what you’re drinking along with what you’re eating, using the plan you’ve made with your diabetes-care team.

If you order a mixed drink, ask what is in it. Tonic water, syrups, fruit juice and sweetened mixers can add more sugar than you might expect. Sugar-free and diet mixers are widely available, but don’t assume that’s what was used unless you ask.

And keep water with you while sightseeing. Between the walking, Tube stations, crowded attractions and the occasional surprisingly warm London day, it’s easy to realize at 4 p.m. that you’ve consumed two coffees and approximately no water.

Look for Customizable Meals

London has plenty of restaurants where meals are relatively easy to understand and adjust. Grilled meat, fish, salads, vegetables, eggs and simple side dishes are widely available—even if you also plan to fit in fish and chips, a pub lunch or afternoon tea.

If having more control over the individual parts of a meal makes things easier, look for restaurants where everything isn’t baked, battered, covered in gravy and placed inside pastry. Delicious? Yes. Easy to estimate? Not always.

Useful requests might include:

Grilled fish or meat without breading
Sauce, gravy or dressing on the side
Vegetables or salad instead of chips
A different side dish
No sweetened glaze or sauce
Toast or bread served separately
A smaller portion when available

Not every restaurant will make every substitution, especially during a packed dinner service. Looking at the menu online before you go can make choosing a restaurant considerably easier.

London’s international food scene also gives you a lot of options. Mediterranean, Middle Eastern, Indian, Japanese and modern British restaurants often have meals with components that are easier to identify and order separately.

The goal isn’t to find a “diabetic meal.” I’d be suspicious of anything advertised that way anyway. It’s to find food you enjoy while still having enough information and flexibility to use the diabetes-management approach that works for you.

London Foods You’ll See on Menus

London has every kind of food imaginable, but there are a few British classics you’ll see repeatedly. If you’re estimating carbohydrates or simply trying to understand what you’re ordering, it helps to know what typically comes with them.

Full English breakfast — Usually includes eggs, bacon, sausage, baked beans, toast, mushrooms and tomatoes. Hash browns or fried bread may also appear. There are plenty of components, but they’re generally served separately, which can make the meal easier to understand and adjust.

Fish and chips — Battered fish served with thick-cut fries. The batter, chips and any mushy peas or sauces all contribute to the meal—and portions can be enormous.

Sunday roast — Roasted meat served with potatoes, vegetables, gravy and often a Yorkshire pudding. It can be fairly easy to see the individual components, although gravy and portion sizes vary.

Meat pies — Steak-and-ale pie, chicken-and-leek pie and other savory pies are common in pubs. The pastry, filling, gravy and usual potato side can make the total harder to estimate by appearance alone.

Bangers and mash — Sausages with mashed potatoes, usually served with onion gravy. Ask about the sides and whether the gravy can be served separately if that helps.

Jacket potatoes — A baked potato served with toppings such as cheese, baked beans, tuna or coleslaw. The potatoes can be quite large, so don’t assume every serving is the same.

Curry — Indian food is a major part of London’s food scene. Rice, naan, sauces and sweetened chutneys can all vary considerably between dishes and restaurants.

Afternoon tea — Usually includes finger sandwiches, scones with jam and clotted cream, pastries and cakes. It’s more of an event than one simple item, and it may last much longer than you expect.

Sticky toffee pudding — A sweet sponge-style dessert served with toffee sauce and often ice cream or custard. No one is ordering it because it looked nutritionally mysterious. It is exactly what it appears to be—and it’s delicious.

You don’t have to avoid traditional London foods. Knowing what normally comes with a dish simply makes it easier to ask questions, consider portions and use the approach you already follow at home.

Don’t Assume Sightseeing Will Go Exactly as Planned

London is the kind of city where an apparently simple sightseeing day can completely get away from you.

You stop for one more room at the British Museum, discover that the Tube line you need is temporarily closed, walk much farther than the map suggested or spend 45 minutes trying to leave Harrods because no one can remember which entrance you used.

If meal timing matters for managing your diabetes, I wouldn’t depend on being able to grab something quickly wherever you happen to be.

Carry the fast-acting carbohydrate and snacks you normally use or that your diabetes-care team recommends.

This is especially worth thinking about when you’re:

Touring the Tower of London
Visiting a large museum
Watching the Changing of the Guard
Taking a day trip outside London
Attending a West End performance
Waiting in a long attraction or security line
Traveling across the city by Tube
Spending the entire day sightseeing without returning to your hotel

The Tube makes London easier to navigate, but stations involve more walking, stairs and escalators than you may expect. A five-minute journey on the map can somehow become an entire expedition.

My approach would be simple: bring what you already know works for you. London has cafés, restaurants and small markets everywhere, but that doesn’t guarantee the thing you need will be available at the exact moment you need it.

Grocery Stores Can Make Managing Diabetes Easier

Even if you plan to eat most meals at restaurants, having a few familiar foods in your hotel room can make traveling with diabetes considerably easier.

Water, snacks, fruit, cheese, yogurt, breakfast foods or whatever you normally keep nearby can be especially useful before an early tour, during a long sightseeing day or when dinner ends up happening two hours later than planned.

One nice thing about London is that you usually won’t have to go far to find groceries. Small supermarkets and convenience-style stores are scattered throughout the areas where most visitors stay.

You’ll commonly see:

Tesco Express
Sainsbury’s Local
Waitrose
M&S Food
Co-op
Amazon Fresh

The smaller “Express” and “Local” stores won’t carry everything found in a full-size supermarket, but they’re useful for drinks, snacks, simple breakfast foods and a few basics for the hotel room.

I wouldn’t feel like I needed to do a huge grocery run after arriving. I’d find the closest store to the hotel and pick up the handful of things I know will actually get eaten.

Check the label rather than assuming a familiar-looking product has the same nutrition information as its American version. UK labels typically list carbohydrates in grams per 100 grams or 100 milliliters, along with the amount per serving when provided. And yes, this may require doing math while jet-lagged, which feels unnecessarily aggressive.

My Practical Advice

If there are snacks, drinks or other foods you regularly rely on while managing your diabetes, pick them up early in the trip. London has grocery stores everywhere, but the tiny Tesco Express closest to your hotel may not carry the exact product or brand you use at home.

I’d stop at a store on the first day and buy a few dependable options for the room and sightseeing bag. Nothing elaborate—just things you already know work for you.

My mother-in-law also prioritizes hotels with an on-site restaurant. After a long travel day, having food available without searching the neighborhood or navigating the Tube matters. Sometimes the best diabetes-friendly hotel feature isn’t the refrigerator. It’s knowing you can eat without turning dinner into another project.

Choosing a London Hotel When Traveling with Diabetes

Where you stay in London matters because this city is enormous. A hotel that looks reasonably close to an attraction on a map can still involve two Tube lines, several flights of stairs and much more walking than expected.

For a traveler with diabetes, I’d look beyond how pretty the room is or whether it has a view of Big Ben. I’d also consider how easy the hotel makes the entire trip.

The most useful features may include:

Appropriate medication refrigeration
An on-site restaurant or room service
A staffed front desk
A pharmacy and grocery store nearby
Easy access to public transportation
An elevator
Air-conditioning during warmer months
A central location that reduces unnecessary travel

My mother-in-law prioritizes an on-site restaurant, and I understand why. After an overnight flight or a full sightseeing day, having food available without navigating another neighborhood can be far more valuable than a dramatic lobby or rooftop cocktail bar.

I’d also investigate the nearest Tube station. “Close to the Tube” sounds ideal, but some London stations have long underground walkways, multiple staircases or limited step-free access. Check the actual station—not merely its distance from the hotel.

That doesn’t mean you need to stay directly beside the busiest attraction. Honestly, I’d rather be one or two blocks away from the chaos, as long as food, transportation, pharmacies and the things I may need are still within easy reach.

For this comparison, I looked at what might actually matter to someone traveling with diabetes: refrigeration, access to food, nearby essentials and how easily you can get what you need without sacrificing half a day of the trip.

London Hotels: Refrigeration, Pharmacies & Food Nearby

Hotel/ Check Availability	Refrigerator	Nearby Essentials	On-site Dining/food options
The Savoy	A minibar is listed among room amenities, but don’t assume it maintains medication-safe temperatures. Contact the hotel directly to arrange appropriate insulin refrigeration.	Boots (Pharmacy), 105–109 Strand, approximately 5 minutes on foot. Tesco Express, 125 Strand, approximately 5–7 minutes.	Several restaurants, including Gallery, Savoy Grill and The River Restaurant, plus afternoon tea and in-room dining. One of the strongest options for having food readily available.
The Ritz London	In-room minibar available, but medication-safe refrigeration is not specifically confirmed. Ask whether a separate refrigerator or secure staff storage can be arranged.	Boots at Piccadilly Circus, approximately 7–10 minutes. Sainsbury’s Local on Stratton Street, approximately 3–5 minutes.	The Ritz Restaurant, breakfast, afternoon tea and The Rivoli Bar with a lighter menu. Contact the hotel to confirm current in-room dining hours.
The Hoxton, Shoreditch	An in-room refrigerator suitable for medication storage is not confirmed. Contact the hotel directly to discuss refrigeration before booking.	Boots near Liverpool Street Station, approximately 10 minutes. Sainsbury’s Local, 91 City Road, approximately 5–7 minutes.	Hoxton Grill offers all-day dining, and Llama Inn serves Peruvian food on the rooftop. The lobby also provides drinks and casual food options.
Park Plaza Westminster Bridge London	Minibars are available in some rooms. Certain studio and suite categories include kitchen facilities, but amenities vary by room type. Confirm the exact room and medication-storage arrangement directly with the hotel.	Boots at Waterloo Station, approximately 7–10 minutes. Grocery options around Waterloo include Sainsbury’s and M&S Simply Food, approximately 7–10 minutes.	Multiple on-site options, including Brasserie Joël, Ichi Sushi & Sashimi, Primo Bar and illy Caffè, plus room service. A very convenient choice when easy access to food is a priority.
Point A Hotel London Kings Cross–St Pancras	No in-room refrigerator is confirmed for standard rooms. Contact the hotel before booking to ask whether staff can securely refrigerate medication.	Boots inside King’s Cross Station, approximately 5–7 minutes. M&S Simply Food inside the station is also approximately 5–7 minutes away.	Continental breakfast and a lobby bar offering drinks and snacks. No full-service on-site restaurant, but the King’s Cross area has many nearby food options.

Important: A minibar or small beverage refrigerator is not automatically suitable for storing insulin. Contact the hotel directly before booking, explain that refrigeration is needed for medication and confirm the arrangement in writing.

Walking times are approximate and can vary by route, hotel exit and mobility. Pharmacy and grocery locations can also change, so readers should verify them shortly before traveling.

My take: Park Plaza Westminster Bridge may be the most practical all-around choice for this particular guide because of its central location, several on-site food options and room categories with additional kitchen facilities. The Savoy and Ritz offer exceptional staffed service, while Point A needs the most advance planning because it doesn’t confirm an in-room refrigerator or full-service restaurant.

Frequently Asked Questions About Traveling to London With Diabetes

Can I bring insulin and diabetes medication into the United Kingdom?

Yes. Visitors can bring prescribed medication into the UK for personal use. Keep it in its original labeled packaging when practical and carry copies of your prescriptions and a letter from your healthcare provider.

If any medication you carry contains a controlled drug, check the UK government’s current requirements. Additional documentation and quantity restrictions may apply.

Can I bring insulin through airport security?

Yes. Medically necessary insulin, liquids, needles and diabetes equipment can be carried through airport security. Keep essential supplies in your carry-on and bring proof that the medication was prescribed to you.

Security recommendations differ between CGMs and insulin pumps. Follow the manufacturer’s instructions for your exact device and tell the security officer about it before screening begins.

Can I buy insulin in London?

Insulin is available in London, but don’t assume you can walk into a pharmacy and immediately replace the exact product you use at home.

Brand names, formulations, concentrations and delivery devices may differ, and you may need a prescription from a UK-qualified prescriber. Contact your diabetes-care team, travel-insurance assistance service and a London pharmacist rather than choosing a substitute yourself.

Are pharmacies easy to find in London?

Yes. London has numerous Boots, Superdrug and independent pharmacies. You may also see pharmacies described as chemists.

Use the NHS pharmacy finder to search near your hotel. Call before visiting if you need a specific medication or device supply because not every pharmacy will stock it.

What should I do if I lose my diabetes medication in London?

If it isn’t a medical emergency, contact your diabetes-care team, travel-insurance assistance service and a local pharmacist. Have your medication packaging, prescription information and generic medication names available.

You can also call NHS 111 for urgent guidance or use its online emergency-prescription service. If you are seriously ill or cannot safely manage your glucose, call 999 or 112.

Can I replace a Dexcom, FreeStyle Libre or insulin-pump supply in London?

Possibly, but I would never plan a trip assuming that a specific component can be replaced locally.

Availability varies by manufacturer and product. A London pharmacy may carry glucose meters and traditional testing supplies without stocking your exact sensor, transmitter, infusion set or cartridge. Bring more device-specific supplies than you expect to use and carry the backup plan recommended by your diabetes-care team.

Do London hotels have refrigerators for insulin?

Some London hotels provide minibars, small refrigerators or kitchen facilities, but a minibar isn’t automatically suitable for medication storage.

If your insulin requires refrigeration, contact the hotel directly before booking. Explain that the refrigerator is needed for medication, ask how its temperature is maintained and confirm that you can access your insulin whenever necessary.

Is London easy to visit with diabetes?

London has several things working in its favor: pharmacies are plentiful, medical care is widely available, English is the primary language, public transportation is extensive and food is easy to find.

The main challenge is the city’s size. Sightseeing can involve much more walking than expected, and returning to your hotel during the day may not be convenient. Choose a central hotel, carry the supplies and food you may need, and create a backup plan before leaving home.

Final Thoughts on Traveling to London With Diabetes

Traveling to London with diabetes requires some extra planning, but I wouldn’t let that stop me from going.

London has pharmacies throughout the city, excellent medical care, endless food options and no language barrier for most American travelers. Those things make it one of the easier international destinations to navigate when you’re also managing diabetes.

The biggest challenge may simply be London itself. It’s enormous, sightseeing days can involve far more walking than expected and getting back to your hotel isn’t always quick. A central location, reliable access to food and a sensible backup plan can make a real difference.

Before leaving home, confirm how your medication should be stored, bring more supplies than you expect to use and save the important phone numbers somewhere you can access offline. I’d also contact the hotel directly about refrigeration rather than trusting the word minibar on a booking page. We have learned that minibar can mean almost anything.

My mother-in-law has traveled with Type 1 diabetes for decades. The goal has never been to eliminate every possible problem before a trip—that would be impossible. It’s to handle the important planning at home so diabetes doesn’t get to take over the vacation.

Hopefully, you never need the emergency numbers, backup supplies or insurance information you packed. But knowing they’re there makes it much easier to get on with the good part: seeing London.

For more help planning your trip, visit my London hotel guide and my complete Traveling With Diabetes: Destination Travel Guides & Tips resource.