Airport Security with Diabetes Abroad: What Changes Outside the US (2026)

As always, this is general guidance, not medical advice. Your care team owns the medical plan; this page owns the checkpoint plan. Airport rules change, so confirm the current process before you travel.

The one big difference: there is no TSA out there

It sounds obvious, but it changes the texture of the whole process. In the US, one agency writes one rulebook, and the diabetes exemptions are spelled out in it. Abroad, each country's aviation authority sets its own screening process, each airport trains its own officers, and English is not guaranteed at the checkpoint.

The good news is that your US habits transfer well almost everywhere: declare everything up front, keep devices on your body, ask for a hand inspection instead of the scanner, and keep every diabetes supply in your cabin bag, never in the hold. The part that does not transfer is quoting TSA rules at a foreign officer and expecting them to apply. You need the local version of the rules, and for the most common destinations, the local version is actually written down.

The UK: the best-documented system in the world

For a traveler with diabetes, the UK has the clearest airport security rules anywhere, and they exist because one family refused to accept a bad experience. In 2016, a teenager's insulin pump nearly got him denied boarding on a connection in Dubai when security demanded the pump be disconnected and put through the X-ray machine. His mother started the Insulin Pump Travel Campaign, which pushed alternative screening for insulin pumps into the International Civil Aviation Organization (ICAO) security manual and produced the UK's Medical Device Awareness Card, sponsored by the UK Civil Aviation Authority (CAA) and the Airport Operators Association.

The card is a free download from the CAA website (search "Medical Device Awareness Card" on caa.co.uk) and it sets out the rules for the security officer in writing. Carry it with your doctor's letter. Its three rules:

1. Passengers with a medical device such as an insulin pump or CGM (continuous glucose monitor) should not be screened by a security scanner. If you opt out, you must be offered an alternative screening method.
2. Passengers must never be asked to remove a medical device from their body for screening.
3. Medical devices, including spare devices, should not go through X-ray machines. Officers can use a hand search supported by ETD (explosive trace detection, the swab test for explosive traces) instead.

Card holders are advised to make security aware of the device and to take spare equipment out before the bag is scanned. Many UK airports also offer the sunflower lanyard, a discreet identifier for hidden disabilities, which can smooth the conversation before it starts.

One UK-specific paperwork note: travelers may carry essential liquid medicines over 100ml, including insulin, but for anything over 100ml be ready to show proof, a doctor's letter or a prescription. Keep the letter with the supplies, not in the hold. The travel letter guide covers exactly what the letter should say.

Continental Europe: familiar shape, local habits

EU airports run on EU-wide aviation security rules, so the shape is familiar: the 100ml liquid rule applies, with exemptions for medicines you declare at the checkpoint with documentation. Carry the doctor's letter on letterhead listing your supplies. Some European carriers spell the policy out plainly: Jet2's assisted-travel policy says diabetic insulin pens are permitted onboard without a medical certificate, hypodermic needles are allowed in the cabin for medical purposes only, and you must show your medical certificate at the security screening points. It also reminds passengers to carry insulin in cabin baggage rather than the hold, where freezing temperatures can inactivate it, and to bring their own sharps box, since cabin crew cannot administer injections.

Expect more variation from airport to airport than in the US. Body scanners are rolling out across European airports, and not every officer has met an insulin pump before. The routine that works: declare the devices before the belt, ask for a hand inspection instead of the scanner, keep spares out of the X-ray line, and allow extra time. If an officer insists on the scanner, stay calm and polite, ask for a supervisor, and show the letter. And if you do go through a body scanner, device guidance says to remove the pump first and put it back on after you clear security, rather than wearing it through.

Everywhere else: the universal kit

Beyond the UK and the EU, assume nothing and carry everything. Training varies, English varies, and the officer in front of you may never have seen an insulin pump. The ICAO security manual now includes alternative screening for insulin pumps, a wand and swab check or a hand search, so the concept of opting out exists in the international rulebook even where local training is thin.

Your universal kit does not depend on the country: the letter on letterhead, prescription copies with names matching your passport, devices on your body, spares in the cabin bag, and extra time at the airport. If supplies are lost or stolen after you land, the recovery playbook covers the exact call order, starting with those prescription copies. And if the flight crosses time zones, the time zone guide covers how to shift the schedule: timing only, never doses, with the care team deciding the details.

What to say when they do not speak English

Four sentences cover the checkpoint conversation. Learn the ones for your destination, or save them on your phone and show the screen to the officer if your pronunciation wobbles. The written sentence does the work.

Spanish (for Barcelona): "Tengo diabetes." (I have diabetes.) "Llevo una bomba de insulina." (I wear an insulin pump.) "Por favor, no pase este dispositivo por los rayos X." (Please do not put this device through the X-ray.) "Solicito una inspección manual." (I request a hand inspection.)

French: "Je suis diabétique." (I have diabetes.) "Je porte une pompe à insuline." (I wear an insulin pump.) "Veuillez ne pas passer cet appareil aux rayons X." (Please do not put this device through the X-ray.) "Je demande un contrôle manuel." (I request a hand inspection.)

German: "Ich habe Diabetes." (I have diabetes.) "Ich trage eine Insulinpumpe." (I wear an insulin pump.) "Bitte dieses Gerät nicht röntgen." (Please do not X-ray this device.) "Ich bitte um eine manuelle Kontrolle." (I request a manual inspection.)

Italian: "Ho il diabete." (I have diabetes.) "Indosso un microinfusore." (I wear an insulin pump.) "Per favore, non passi questo dispositivo ai raggi X." (Please do not put this device through the X-ray.) "Richiedo un controllo manuale." (I request a hand inspection.)

Insulin abroad: the name on the box changes

The most practical surprise of diabetes travel abroad is that your insulin can have a different name at the foreign pharmacy. NovoLog in the US is sold as NovoRapid in most other countries; it is the same insulin aspart in the box, something travelers have confirmed with their own diabetes teams before buying. Humalog and Lantus keep their names on both sides of the Atlantic.

The fix is simple: write down the generic name of your insulin next to the brand name before you leave. Insulin aspart, insulin lispro, insulin glargine: the generic name works at any pharmacy counter in the world. Also confirm the concentration on the box matches your prescription, because U-100 and U-40 formulations both exist, and bring prescriptions with names matching your passport in case customs inspects the supplies. The international travel guide covers the rest of the abroad paperwork, including the local emergency number and the nearest hospital to your stay.

The abroad-security checklist

Here is the full list, in this order:

1. Download the UK CAA Medical Device Awareness Card if the UK is on the itinerary, and carry it with the doctor's letter.
2. Get the travel letter on letterhead listing every supply and device. Add prescription copies with names matching your passport.
3. Pack 20% more supplies than the trip math says. Split them so one lost bag is never all of your supplies.
4. Every diabetes supply flies in the cabin bag, never in the hold.
5. Learn the four checkpoint sentences for your destination language, or save them on your phone.
6. At the checkpoint: declare devices before the belt, ask for a hand inspection instead of the scanner, keep spares out of the X-ray line.
7. Write down your insulin's generic name and the local brand name before you leave. Confirm the concentration matches your prescription.
8. Keep sugar packets in your pocket through security and at your seat: 1 at 60 to 70, 2 below 60.
9. Know the local emergency number and the nearest hospital to where you are staying.
10. Allow extra time at foreign airports. The conversation takes longer than the US routine.