Travelling with dietary requirements, allergies and food restrictions

November 8, 2026 · 5 min read

Food is one of the best reasons to travel, and one of the most stressful when you cannot eat everything on the menu. The reason might be an allergy, coeliac disease, a medical diet, a religious rule or a personal choice, and the question is the same: how do you eat well somewhere where you do not know the food or speak the language?

The answer is preparation, clear communication and a backup. A serious allergy needs more care than a preference, and this article treats them differently where it matters.

Know how serious it is

There is a difference between a dislike, a preference and a medical need.

Preferences and ethics, such as vegetarian or vegan eating, can usually be handled with research and a little flexibility.
Religious rules, such as halal, kosher or avoiding certain foods, need you to know what is available and how to ask.
Medical needs, such as coeliac disease, severe allergies or a condition like diabetes, need planning, a backup and a clear conversation, because a mistake affects your health.

If you have a medical condition, talk to your doctor or dietitian before you go. Ask for advice about the destination, and about carrying medicines such as an adrenaline auto-injector, including any letter you should carry. Check the official travel advice and the airline's rules for taking medical items on board.

Research the cuisine before you go

Every food culture has its traps. Learn the main ingredients and cooking methods of the place you are visiting.

Sauces, stocks and soups often contain hidden ingredients, such as fish, meat stock, nuts or wheat.
Fried food may share oil with other foods.
Traditional dishes labelled as vegetable may be cooked with animal fat or stock.
Some cuisines use a lot of one allergen, such as peanuts, shellfish, soy, sesame or dairy.

Searching for the name of your restriction plus the destination shows what is common. Local and international organisations for particular conditions often publish guides and translated cards for travellers.

Learn the words, and carry them

Language is the biggest barrier. Do not rely on a quick gesture or hope.

Learn the key words for your restriction in the local language: the food you cannot eat, "I am allergic to", "without", "does this contain".
Carry a translated card. Write the details or print a card that states clearly, in the local language, what you cannot eat and what happens if you do. Many allergy organisations offer these for a range of languages.
Keep a copy on your phone as well as on paper, and save the translation app's language for offline use.
Be specific. "No meat" may still mean fish or broth in some places. "No gluten" needs more than "no bread" because wheat hides in sauces and coatings.

Choose where you eat

A few habits reduce risk and stress.

Start with the stay. Apartments with a kitchen let you cook what you can trust. A hotel breakfast is often easier to check.
Look at menus before you go in, which many restaurants post online or by the door.
Prefer simple dishes with obvious ingredients: grilled food, plain rice, salads you can inspect, fresh fruit.
Find the places that cater for your needs, such as vegetarian restaurants, bakeries that serve your restriction, or markets where you can see the food.
Eat early in the service, when the kitchen is calmer and staff have time to talk.
Ask for the person who knows, such as the chef or manager, in a place that is serious about allergies.

Be careful about relying on a listing that says a place is suitable. Confirm it with the staff.

How to ask well

Staff are more helpful when you are clear and kind.

Say what you cannot eat first, then what you can.
Show your card, and ask them to check with the kitchen.
Ask how a dish is made, not just whether it is safe.
If the answer is unsure, choose something else. A shrug is not a yes.
Say thank you, and tip as the local custom suggests.

For a serious allergy, remember that cross-contact, which is when traces from another food reach yours, can matter as much as the ingredient list. Explain whether trace amounts are an issue for you.

Carry a backup

Never rely on finding the right food in the right place at the right time.

Pack snacks that you can eat: bars, nuts if safe for you, crackers, dried fruit.
Keep one safe meal's worth of food in your bag on travel days, since airports, stations and long drives limit choices.
Check what you can take through customs. Many countries restrict fresh food, meat and dairy, so look at the destination's official border rules.
If you use medicines, pack extra, in their original packaging, in your carry-on.

For flights, many airlines let you request a special meal, which you usually need to do ahead of time. Check the airline's own policy.

Eating as a group

When you travel with friends, tell them what you need, early. A short message ahead of the trip saves an awkward restaurant scene. Ask the person who books to choose places with a range of options, and suggest a few yourself.

If you are the one booking, ask everyone for restrictions before you reserve. A shared plan lets you note them in one place. As in planning a trip together, the point is to have one record that everyone can see.

You also do not need to eat every meal with the group. Taking a meal on your own when it helps is fine, and so is cooking in a shared kitchen.

Know where to find help

Look up, before you go:

The local emergency number and the nearest hospital to where you are staying
Your insurance assistance line, and what your policy says about conditions you already have
How to say and write your allergy or condition in the local language

Eating well while you are there

Good food is still on the menu. Markets let you see what you are buying. Street food that is cooked in front of you is often easy to check. Many cuisines have rich traditions that already suit your needs, and a little research turns up dishes you would not have found otherwise. For tips on finding the better places generally, see avoid tourist traps.

Next step

Write your restriction in the local language today, save it on your phone, and print one copy. Then search for food that suits you in the city you are visiting, and plan one or two meals around it.