Traveling With an MDR1-Affected Dog: Boarding, Trips, and Emergencies Away From Home

The Danger of Unfamiliar Vets

Your regular vet knows your dog. They know the MDR1 status. It’s in the file, highlighted, impossible to miss. You’ve reminded them at every visit. You’ve built that relationship.

But what happens when your dog gets sick on vacation? What happens when you board them for a week and the boarding facility’s on-call vet has never heard of MDR1? What happens when an emergency strikes 500 miles from home, in a clinic where nobody knows your dog’s name, let alone their genetic status?

That’s what happened to Lady, whose story appears on our community stories page. Her family went on vacation. She got sick at a boarding facility. The facility’s vet gave her something for nausea. She had a seizure and didn’t recover. Her family came home to a phone call instead of a wagging tail.

Lady’s story haunts me because it’s so preventable. Not the illness - dogs get sick, that happens. But the reaction. The wrong drug. The vet who didn’t know. The information that wasn’t there when it needed to be.

This guide exists to make sure that when your dog is away from home, the information follows them.


Before You Leave: The Preparation That Saves Lives

Every trip - even an overnight - requires preparation when your dog has MDR1 sensitivity. This isn’t paranoia. This is the same kind of preparation you’d do for a child with a severe allergy. You wouldn’t send a kid with a peanut allergy to camp without an EpiPen and detailed instructions. Your dog deserves the same level of care.

Pre-Trip Preparation

Print multiple copies of your dog's MDR1 test results
Prepare a "medical card" with your dog's name, breed, weight, MDR1 status, and a list of drugs to avoid
Research emergency veterinary hospitals near your destination
Save the ASPCA Animal Poison Control number in your phone: 888-426-4435
Pack your dog's regular medications clearly labeled
Bring a printed copy of our emergency drug reaction guide

The Medical Card

This is the single most important thing you can create for your traveling MDR1 dog. It’s a simple card - laminated if possible - that contains everything a stranger or an unfamiliar vet needs to know. Keep one in your wallet, one on your dog’s collar or harness, one in the glove compartment, and one with any pet sitter or boarding facility.

Here’s what it should say:

MEDICAL ALERT: MDR1 Drug Sensitivity

[Dog's Name] is MDR1 [Mutant/Mutant or Normal/Mutant].
DO NOT ADMINISTER without consulting MDR1 drug list:
Ivermectin (high dose), Loperamide (Imodium), Acepromazine, Butorphanol, Vincristine, Doxorubicin.
Owner: [Your Name] | Phone: [Your Number]
Regular Vet: [Clinic Name] | Phone: [Clinic Number]
For safe alternatives, see: ivermectin-sensitivity.org

That card could save your dog’s life when you’re not there to speak for them.


Choosing a Boarding Facility

Not all boarding facilities are created equal, and when your dog has MDR1 sensitivity, you need to be pickier than the average pet owner.

Questions to Ask Before Booking

  • “What happens if my dog gets sick while I’m gone?” Listen carefully. You want to hear a specific protocol, not vague reassurances.
  • “Which veterinary clinic do you use? Can I contact them?” You need to be able to reach the vet who would treat your dog in an emergency.
  • “Can I provide specific medical instructions that will follow my dog throughout their stay?” If they say no, find a different facility.
  • “Have you ever had a dog with MDR1 sensitivity before?” The answer might be no, and that’s okay - what matters is whether they’re willing to learn.

What to Provide the Facility

Give the boarding facility a folder - a physical folder, not just verbal instructions - containing:

  1. Your dog’s MDR1 test results
  2. The medical alert card described above
  3. A list of medications that are dangerous and safer alternatives for common conditions
  4. Your contact information and your regular vet’s contact information
  5. Written authorization for the vet to contact you before administering any medication
  6. A printed copy of the vet visit checklist

Ask them to attach a note to your dog’s kennel card. Something visible. Something that will be seen before anyone reaches for a medication bottle.

The Phone Call That Could Have Saved Lady

Teresa, Lady’s owner, told me she’d mentioned to the boarding facility that Lady was a Collie and might have drug sensitivities. She mentioned it verbally, once, when she dropped Lady off. It wasn’t written down. It wasn’t in a file. It wasn’t on the kennel card. The person she told wasn’t the person on duty when Lady got sick.

Verbal instructions disappear. Written instructions survive. A folder with clear, unmistakable warnings stays with your dog when your voice can’t.


Road Trips and Long-Distance Travel

Taking your MDR1-affected dog on a road trip requires more planning than packing extra kibble and a water bowl. Here’s how to stay prepared.

Research Your Route

Before you leave, identify emergency veterinary hospitals along your route and at your destination. The American Animal Hospital Association’s hospital locator and Google Maps can help. Save the addresses and phone numbers in your phone.

You don’t need to plan for disaster at every rest stop, but knowing that there’s a 24-hour emergency vet 20 minutes from your hotel gives you a safety net you’ll be grateful for if you ever need it.

The Travel Kit

MDR1 Travel Kit Essentials

MDR1 test results (printed copies)
Medical alert card (multiple copies)
List of emergency vet clinics along your route
Current medications, clearly labeled
Basic first aid supplies (bandages, antiseptic - NOT over-the-counter medications)
Your regular vet's phone number for after-hours consultation

The OTC Medication Trap

This is where well-meaning travel companions become dangerous. Your dog gets carsick. Your friend says, “Oh, just give them some Dramamine.” Your dog gets diarrhea from drinking unfamiliar water. Your mother-in-law says, “Give them some Imodium, that’s what I give my dog.”

Do not take over-the-counter medication advice from anyone who doesn’t know your dog’s MDR1 status. Loperamide - sold as Imodium in every gas station and convenience store in America - has killed MDR1-affected dogs. Amanda from San Diego lost her Aussie Luna to exactly this scenario.

Carry a note in your travel kit that says: “NO over-the-counter medications without veterinary approval. This dog has a genetic drug sensitivity.” Show it to anyone traveling with you. Make sure they understand.

Collie during training session


When an Emergency Happens Away From Home

Despite all the preparation, sometimes emergencies happen. Your dog eats something they shouldn’t. They get injured. They develop sudden symptoms. You’re in a parking lot in a state you’ve never visited, and your regular vet is a thousand miles away.

Here’s what to do, step by step:

  1. Lead with MDR1. Before you say anything else to the emergency vet, say: “My dog is MDR1 [mutant/mutant or normal/mutant]. Please check before giving any medication.” Hand them the medical card.

  2. Call your regular vet. Even if they can’t treat your dog remotely, they can consult with the emergency vet. They can confirm the MDR1 status. They can advise on your dog’s history.

  3. Call ASPCA Animal Poison Control (888-426-4435) if the emergency involves ingestion of any substance. They’re familiar with MDR1 and can advise the treating vet directly.

  4. Stay present if possible. Be there when medications are discussed. Ask questions. Reference the danger list. If a medication on the list is being considered, ask about safer alternatives.

  5. Follow the emergency protocol. Our emergency drug reaction guide provides minute-by-minute steps for the first critical hour. If you printed it and packed it in your travel kit, now is when it pays off.

The hardest part about an emergency away from home is that you lose the safety net of familiarity. You don’t know this vet. They don’t know you. Trust hasn’t been built. That’s exactly why the medical card, the printed test results, and the written information matter so much. They speak for you when anxiety makes it hard to speak for yourself.


Pet Sitters and Dog Walkers

You don’t have to leave town for your dog to be in someone else’s care. Pet sitters, dog walkers, and even family members who watch your dog need to know about MDR1.

What Every Caretaker Needs to Know

Give anyone who watches your dog - even for an afternoon - these three pieces of information:

  1. “Do not give this dog any medication without calling me first.” No exceptions. Not even something that seems harmless.
  2. “If my dog seems sick or injured, call me before going to the vet. If you can’t reach me, take this folder.” Provide the folder with all the medical documentation.
  3. “If this is a true emergency, go to [specific emergency vet] and give them this card immediately.” The medical alert card, ready to hand over.

The danger with casual caretakers isn’t usually malice - it’s helpfulness. They see your dog in discomfort and they want to fix it. They reach for the medicine cabinet. They call their own vet for advice about a dog the vet has never seen. They give a dose of something that would be fine for their dog but deadly for yours.

Clear, written instructions prevent well-intentioned mistakes.


International Travel

If you’re crossing borders with an MDR1-affected dog, the complexity increases. Different countries have different medications available, different brand names for the same drugs, and different levels of awareness about MDR1.

Key Considerations

  • Medication names vary by country. Ivermectin is Ivermectin most places, but brand names change. Know the generic names of the drugs on the danger list, not just the brands.
  • Veterinary awareness varies dramatically. MDR1 awareness has improved in the US, UK, Australia, and Western Europe, but may be limited elsewhere. Carry documentation in the local language if possible.
  • Import/export requirements may involve medications. Some countries require specific parasite treatments before entry. Make sure any required treatments are MDR1-safe. Discuss with your vet well in advance of travel.
  • Pet insurance may have limitations abroad. Check your coverage before you go.

A Story That Ended Differently

I want to end with a story from our community that has a happy ending, because they exist and they matter.

Carol from San Francisco - whose Collie Gracie is featured in our community stories - told me about a trip she took with Gracie to visit family in Oregon. Gracie developed a skin irritation at a dog park, and Carol took her to a local emergency vet.

“I walked in and before they even asked what was wrong, I said, ‘She’s MDR1 mutant/mutant. Here are her test results. Here’s the list of drugs she can’t have.’ The vet tech looked at me like I had three heads. But the vet came in, read the card, and said, ‘Thank you. I’ve seen one MDR1 case before. This is exactly the kind of information I need.’ He prescribed a topical treatment that was completely safe. Gracie was fine.”

Carol was prepared. She had the card. She had the results. She spoke up immediately. And Gracie came home healthy.

That’s all it takes. Preparation. Documentation. The willingness to speak up, even when you feel awkward, even when the vet is busy, even when you’re stressed and scared and far from home.

Your dog is counting on you to be their voice. Make sure that voice carries, even when you’re not there.


Your Travel Checklist

Print this. Keep it with your suitcase. Review it before every trip.

Before Every Trip

MDR1 test results printed and packed
Medical alert cards prepared (multiple copies)
Emergency vet clinics researched for destination and route
Boarding facility briefed with written instructions (if applicable)
Pet sitter briefed with folder of medical info (if applicable)
Travel companions informed about OTC medication restrictions
ASPCA Poison Control number saved: 888-426-4435
Regular vet's contact information accessible

Planning a trip with your MDR1-affected dog? Have tips we haven’t covered? Contact us to share your experience. The more we learn from each other, the safer all our dogs will be.