7 min · Written by a Crohn's patient on biologic therapy
Traveling with Crohn's disease is absolutely possible. But it requires a level of preparation that other travelers simply don't think about — and the gap between a well-planned trip and a medical crisis abroad can come down to a few missed steps.
This guide covers everything you need to do before you leave, what to pack, how to manage your treatment on the road, and how to handle a flare far from home.
Before You Leave: The Medical Checklist
Talk to Your Gastroenterologist
Schedule an appointment at least 4-6 weeks before any significant trip. Key points to cover:
- Is your disease stable enough to travel? Active disease or a recent flare is a signal to reconsider timing.
- Are your vaccinations up to date? Some destinations require vaccines that may be contraindicated if you're on biologics or immunosuppressants.
- Do you need a letter documenting your condition and medications for customs and border services?
- What's the protocol if you have a flare abroad? Get a clear action plan in writing.
Get a Medical Letter
A letter from your gastroenterologist should include:
- Your diagnosis (Crohn's disease / IBD)
- Your medications with generic names, dosages, and administration method
- Why you need to carry these medications (including syringes or injection pens if applicable)
- Emergency contact information for your specialist
Have it translated if you're traveling to a country where English or French isn't widely spoken.
Travel Insurance — Don't Skip This
Standard travel insurance often excludes pre-existing conditions. Look specifically for policies that cover:
- Medical evacuation
- Emergency treatment for pre-existing conditions (or buy a rider)
- Trip cancellation due to flare
- Prescription medication loss or damage
Some policies cover Crohn's disease if you're in stable remission and declare the condition upfront. Read the fine print. It's worth the extra cost.
Managing Your Biologic Treatment While Traveling
For a full understanding of how biologics work and what to monitor, see our complete guide to Crohn's disease biologic treatment — trough levels, loss of response, and long-term management.
Injectable Biologics (Adalimumab, Ustekinumab, etc.)
Injectable biologics require refrigeration (2-8°C / 36-46°F). For travel:
- Use an insulated medical travel case (FRIO wallets or similar) — they keep medications cool for up to 48 hours without refrigeration
- Never check medications — always carry them in your cabin luggage
- Bring your gastroenterologist's letter for airport security
- Syringes and auto-injectors are allowed through security with proper documentation
- For longer trips, research pharmacies at your destination that carry your medication — availability varies significantly by country
IV Infusion (Infliximab)
If your treatment schedule falls during a trip, you have options:
- Adjust the timing — discuss with your gastroenterologist whether your infusion can be shifted by 1-2 weeks without compromising efficacy
- Arrange infusion at destination — some IBD centers and infusion clinics abroad can accommodate patients with proper documentation and advance notice. Requires planning several weeks ahead
- Plan around your cycle — schedule trips during your post-infusion window (weeks 1-4) when you typically feel best
What to Pack
Medications and Supplies
- Your regular medications — bring more than you need (at least 1.5x the planned quantity)
- Anti-diarrheal medication (loperamide) — for mild symptom management
- Oral rehydration salts — essential for managing dehydration from diarrhea in hot climates
- Paracetamol — your only safe pain option (not NSAIDs)
- Antispasmodics (phloroglucinol or mebeverine)
- Probiotics — some evidence for maintaining gut stability during travel
Practical Items
- Medical alert card in the local language explaining your condition
- List of IBD centers and gastroenterologists at your destination — the CCFA (US), Crohn's and Colitis UK, and EFCCA maintain international databases
- Small bag always accessible for bathroom urgency situations
- Portable travel toilet paper and wet wipes
On the Road: Managing Day-to-Day
Food and Water
Traveler's diarrhea is problematic for anyone — for Crohn's patients it can trigger a genuine flare. Precautions:
- In countries with water safety concerns, drink bottled water only — including for brushing teeth
- Avoid raw vegetables, undercooked meat, street food in high-risk areas during an active trip
- Stick closer to your known safe foods when your schedule is disrupted
- Alcohol and caffeine typically worsen symptoms — worth limiting when you're already under travel stress
Airports and Long Journeys
Long flights and transit times create specific challenges:
- Request an aisle seat — you'll thank yourself
- Identify restroom locations immediately upon boarding or arriving at any transit point
- Stay hydrated — cabin air is extremely dry and dehydration worsens symptoms
- Move regularly during long flights — prolonged sitting slows digestion
- Carry a small snack that you know is safe — don't rely entirely on airline food
Time Zone Changes and Medication Timing
For oral medications taken at fixed times, discuss with your pharmacist how to adjust dosing during a significant time zone change. For biologics on weekly or biweekly schedules, a few hours' variation is generally fine — but consult your gastroenterologist for specific guidance.
If You Have a Flare Abroad
Having a clear plan before you leave is essential. Steps to take:
- Assess severity — use the same criteria as at home: stool frequency, blood, fever, ability to hydrate
- Contact your gastroenterologist — even remotely. Many offer telemedicine consultations. A video call with your regular specialist is far better than explaining your complex medication history to an unfamiliar ER doctor
- Seek local care if severe — if you have fever above 38.5°C, significant bleeding, or can't stay hydrated, go to the nearest hospital. Show your medical letter. Request a gastroenterologist if possible
- Document everything — keep records of any treatment received abroad for your insurance claim and for your specialist when you return
Destinations: What to Consider
Western Europe, North America, Australia: Good IBD care infrastructure. Most brand-name biologics available. Low food and water safety concerns.
Southeast Asia, Latin America: Higher food and water safety risk. Some biologics available in major cities but not universally. Telemedicine with your home specialist is especially valuable here.
Remote or underdeveloped destinations: Medical evacuation insurance becomes critical. Consider timing your trip during your strongest post-infusion window. Have a very conservative food plan.
Building a Travel Emergency Kit
Beyond your regular medications, a dedicated travel kit specific to IBD can make the difference between a manageable situation and a crisis. Consider including:
- A printed summary of your medical history and current medications (in English and the local language if possible)
- Emergency contact for your gastroenterologist
- A list of IBD centers at your destination with phone numbers
- Oral rehydration sachets
- Anti-diarrheal medication
- Paracetamol (the only safe pain option)
- A small supply of your maintenance medication beyond your calculated needs
- Insurance documents with emergency contact numbers
Traveling With an Ostomy
For Crohn's patients with an ostomy, travel requires additional preparation: carrying sufficient ostomy supplies (availability varies significantly by country), understanding airline regulations for ostomy equipment, and knowing how to manage in environments with limited bathroom access.
The United Ostomy Associations of America (UOAA) and the British Colostomy Association both provide travel guides specifically for ostomy patients. If this applies to you, these resources are worth reviewing before any international trip.
Crohn's Disease and Air Travel: Specific Considerations
Long-haul flights create a specific set of challenges for Crohn's patients that deserve dedicated attention.
Before boarding: Check the restroom location at the back of the plane. Request an aisle seat when booking — never a window or middle seat. If your condition is documented, some airlines allow pre-boarding or priority boarding, which reduces time standing in narrow aisles.
During the flight: Cabin air is extremely dry — dehydration worsens Crohn's symptoms. Drink water consistently throughout the flight, avoid alcohol and caffeine. Move every 60-90 minutes to keep digestion active and reduce cramping from prolonged sitting.
Food on board: Airline food is unpredictable and often high in fat, salt, and difficult ingredients. Carry your own safe snacks. A banana, plain crackers, and a small portion of a familiar protein give you control over at least one meal.
Time zone changes and medication: For daily oral medications, a significant time zone shift requires planning. For biologics on weekly or biweekly schedules, a few hours' variation is generally acceptable — confirm with your gastroenterologist for shifts greater than 6 hours.
Frequently Asked Questions
- Can I fly during a flare?
- Flying during an active moderate-to-severe flare is generally not recommended. The stress of travel, dietary disruptions, and difficulty accessing care mid-flight can worsen the episode significantly. If you must travel, consider whether the trip can be postponed until you've stabilized.
- Do I need to declare Crohn's disease on travel insurance?
- Yes — always declare pre-existing conditions. Failing to declare can invalidate your entire policy, not just Crohn's-related claims. Many insurers cover stable pre-existing conditions; find one that does rather than hiding the diagnosis.
- How do I find a gastroenterologist abroad in an emergency?
- The European Federation of Crohn's and Colitis Associations (EFCCA) maintains a directory of IBD centers across Europe. Crohn's and Colitis Canada and the CCFA have similar resources. Your country's embassy or consulate can also refer you to local physicians.
- Is it safe to get travel vaccines while on a biologic?
- Inactivated vaccines (flu, typhoid injectable, hepatitis A and B, meningococcal) are generally safe on biologics. Live vaccines (yellow fever, live oral typhoid, MMR) are contraindicated. This matters significantly for destinations that require yellow fever vaccination — discuss with your gastroenterologist at least 6 weeks before travel.
For similar challenges closer to home, our guide on Crohn's disease workplace accommodations covers your rights in the US and Canada.
Travel with Crohn's requires more planning. The AFA (France) and IBD Passport both provide destination-specific travel guides for IBD patients. Travel with Crohn's requires more planning — but it doesn't require less adventure. Most patients who prepare properly travel without incident. The key is having a plan for when things go sideways, not assuming they won't.
