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Guide

After they come home

Most pets are wiped out for a day or two and back to normal by the weekend. Here's what's ordinary, what isn't, and the one illness that shows up days later rather than straight away.

This is general information, not veterinary advice

If something worries you, ring your vet. That is always the right call, and no page can assess an animal in front of you. The section below on when to seek help is a guide to common signs, not a diagnostic tool.

The first 24 hours

Expect a tired animal. Boarding is stimulating — new smells, other animals, broken sleep — and most pets come home and sleep hard. That is not unhappiness, and it isn't a verdict on the facility.

Resist the urge to compensate with extra food or treats. A rich meal on an unsettled stomach is the most common cause of a bad second day.

Days two to four

Appetite and routine come back. Some animals are clingier than usual, some are briefly aloof, and a few have a short regression in house-training. All of it is normal and none of it needs correcting — going straight back to your ordinary routine is what resolves it fastest.

A dog that boarded well may sleep more than usual for several days simply because they were active the whole time they were away. That's a tired dog, not a sad one.

When it isn't just tiredness

Ring your vet if you see any of these. Several are ordinary in isolation and only matter if they persist.

SignWhen to act
CoughingAny persistent cough in the ten days after a stay. Kennel cough typically appears three to ten days after exposure, not immediately — see below
DiarrhoeaPast 48 hours, or any blood, or with vomiting
Not drinkingRefusing water for more than 12 hours
Not eatingPast 24 hours for a dog, and sooner for a cat — cats should not go long without food
LethargyDeepening rather than lifting after the first day
Limping or stiffnessAnything that doesn't ease within a day, or that they flinch from
Sores, redness, hair lossAny new skin problem, particularly around the neck or paws
Straining in the litter tray (cats)Immediately. A cat straining to urinate is an emergency

Kennel cough shows up late

This is the one thing worth understanding properly. Kennel cough — the group of infections bordetella vaccination reduces — has an incubation period of roughly three to ten days. An animal exposed on the last day of a stay may not cough until well after they're home.

It sounds like a dry, honking cough, often ending in a retch that owners mistake for something stuck in the throat. Most cases are mild and self-limiting, but a vet should confirm it, and it's contagious to other animals.

If yours is a rescue or a foster

Different situation, and worth separating out. An animal that has been in your home only a few weeks is still settling — the adjustment after adoption or foster placement runs to two to four weeks, far longer than the day or two after boarding.

Boarding during that window can set the settling process back. It doesn't cause lasting harm, but expect a longer readjustment and more visible anxiety than a settled pet would show. If the stay is avoidable in those first weeks, it is usually worth avoiding — and if it isn't, tell the facility the animal is newly placed. It changes how they handle the introduction.

Tell the facility how it went

Whether it went well or badly. Operators get very little feedback, and the specific kind is what actually helps:

If something went genuinely wrong, say so directly and promptly. Most facilities would far rather hear it than read it later in a review.

Making the next one easier

Getting ready for the next stay

Last reviewed August 2026 · General information only. If you are worried about your animal, contact your veterinarian.

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