9 Emergency Pet Details to Leave Your House Sitter

Handing your pet over to a house sitter usually comes with a walkthrough of the coffee maker, the thermostat, and where the spare key lives.

The pet-specific emergency details tend to get a lighter treatment. A quick mention of the vet's name, a general sense of where things are kept.

That gap rarely matters, right up until it does.

A sitter who is confident, prepared, and well-briefed can make the difference between a manageable vet visit and a stressful scramble. Here are nine details worth writing down and handing over before you leave.

Key Takeaways

• Write everything in one document. Scattered texts sent the morning you leave do not count as a handoff.

• Your sitter needs more than a vet's name. They need payment authorization, a backup clinic, and clear symptom thresholds.

• Decide spending limits and treatment decisions in advance. Guessing under pressure is how expensive mistakes happen.

• Update the document before every trip. Medications, vets, and your pet's baseline habits change between sits.

1. Your Regular Vet's Full Contact Information and Payment Authorization

Name, address, phone number, and how billing works while you're away are the basics, but they are also the details most often left half-finished.

Decide in advance:

• Can the clinic charge your card on file?

• Should your sitter pay and get reimbursed?

• Do you need to call ahead and set up explicit authorization?

A quick call to your vet's office before you travel settles this in a few minutes and removes a major friction point if something goes wrong on a weeknight.

2. A Backup Clinic Option If Your Regular Vet Is Unavailable

Not every regular vet offers extended hours, weekend availability, or same-day slots, which matters if a symptom shows up on a Saturday. It helps to name a specific backup your sitter can go to without having to search under pressure. 

Pet owners based in downtown Denver, for example, often list a nearby downtown vet clinic Denver like Sploot Veterinary Care for its combination of primary and same-day urgent care.

The same care model is also available through Sploot clinics with locations serving areas such as downtown Denver, Commons Park, RiNo, Arvada, Greenwood Village, Belmar, Highlands Ranch, and Colorado Springs. 

The same care model is also available in Holladay and in Chicago’s Logan Square neighborhood. 

For pet sitters and owners alike, having one trusted veterinary provider for both routine and unexpected concerns can make it easier to act quickly without having to choose between unfamiliar clinics during a stressful situation.

3. ID Tags, Microchip Numbers, and Vaccination Records

If your pet ever needs to be dropped off, boarded temporarily, or seen by a new clinic, having microchip numbers and vaccination history on hand speeds everything up.

Keep a digital copy in an easy-to-find note or shared folder. Not buried in an email from two years ago.

What to include:

• ID tag description and any secondary tags

• Microchip number and registry

• Most recent vaccination dates and records

4. A Precise Medication List With Dosages and Timing

Vague instructions like "give the pill in the morning" fall apart under stress.

Write out the following for every medication your pet takes:

If your pet takes anything for a chronic condition, note how many days of supply are left in case a refill is needed while you're gone.

5. Known Allergies, Sensitivities, and Past Reactions

This covers food allergies, medication reactions, and anything that has caused a problem before. That includes specific treats, cleaning products, or plants your pet has reacted to.

A sitter who knows this in advance can avoid triggering a reaction in the first place, rather than responding to one after it starts.

6. What Your Pet's Normal Baseline Actually Looks Like

A sitter cannot recognize that something is wrong if they do not know what right looks like.

Share your pet's typical:

• Appetite: how much they eat and how eagerly

• Water intake: rough daily amount

• Energy level: active, calm, somewhere in between

• Bathroom habits: frequency and what normal output looks like

Also note anything already slightly abnormal for your pet, like an old limp, a sensitive stomach, or a tendency to sleep more in summer. This context helps a sitter and a veterinarian tell the difference between your pet's quirks and an actual change worth acting on.

7. Clear Symptom Thresholds: When to Text vs. When to Go Straight to the Vet

Not every decision needs your approval in the moment. Waiting for a call back can cost time your pet does not have.

Agree in advance on which situations require immediate vet care versus a text update first.

Go straight to the vet (no call needed first):

• Repeated vomiting or vomiting blood

• Labored or irregular breathing

• Suspected toxin ingestion

• Collapse, unresponsiveness, or seizure

• Bloated or distended abdomen

Text first, then decide:

• Single vomiting episode with no other symptoms

• Mild limping with no obvious injury

• Reduced appetite for one meal

• Unusual but mild behavioral changes

Adjust this list based on your pet's specific health history and any pre-existing conditions.

8. Your Comfort Level With Emergency Spending and Treatment Decisions

This is one of the more uncomfortable conversations to have before a trip, and one of the most important.

Your sitter should not be left guessing whether to authorize a procedure while you are unreachable on a flight.

Be specific:

• What is your general spending limit for an unplanned vet visit?

• Are there treatments you would want discussed before proceeding versus authorized on the spot?

• Who should your sitter contact if they cannot reach you?

Writing this down removes the guesswork entirely and protects both your sitter and your pet.

9. How to Document a Symptom Before or During the Vet Visit

Some of the most useful information a sitter can bring to a vet is not a description. It is a video.

If a symptom is hard to describe, like an intermittent limp, a brief breathing change, or a skin flare-up, a short video caught at home is highly valuable. Behavior that comes and goes can be nearly impossible to reproduce in a clinical setting.

Our guide on what to do if you have a pet-related emergency covers the full steps to take once an emergency is confirmed.

How to Put It All in One Place

None of these nine details require a complicated system. A single shared document works better than scattered texts sent the morning you leave.

A few habits that make this easier every time you book a sit:

• Use one document, not a thread of messages. A sitter searching for the vet's number at 11pm on a Tuesday should not be scrolling through texts.

• Start from a template. Our pet owners checklist covers all the essentials if you want a more complete starting point.

• Walk through it together. Review the document with your sitter in person or over a video call, not just by email, so they can ask questions before you leave.

• Update it before every trip. Medications, vets, and your pet's baseline habits can change between sits. Treat it as a living document, not a one-time exercise.

If this is your first time booking a sitter, our handy hints for pet sitting with dogs post covers additional habits that make the whole arrangement smoother beyond emergency planning alone.

Frequently Asked Questions

What emergency details should I leave with a pet sitter?

Leave your vet's contact info and payment plan, a backup clinic name, microchip and vaccination records, a full medication list, and clear symptom thresholds for when to seek immediate care.

Should my pet sitter be authorized to approve vet treatment?

Yes. Decide spending limits and treatment thresholds in advance so your sitter can act without waiting for a callback during an emergency.

How do I prepare my pet sitter for a medical emergency?

Write one document covering medications, allergies, your pet's normal baseline, and symptom thresholds. Walk through it together before you leave.

What is a backup vet option and why does it matter?

A backup clinic handles emergencies when your regular vet is unavailable. Choose one with urgent care or extended hours and write the name and address down in advance.

Can a pet sitter take a video of symptoms for the vet?

Yes, and it is often very helpful. A short video of an intermittent limp or breathing change can help a vet diagnose something that may not be present during the exam.