Signs a pet is stressed away from home

Nearly every animal shows some stress in a new home. The useful question is not whether they are stressed but whether they are settling — improving day by day — or deteriorating.

This guide covers what ordinary adjustment looks like, what suggests genuine distress, and the specific signs that mean stop reading and call a vet.

Urgent: call a vet now

These are not stress. They are emergencies, and they need veterinary attention immediately regardless of what else is going on.

• Repeated unproductive retching or a swollen, hard abdomen — particularly in a large deep-chested dog. This can indicate bloat, which is rapidly fatal.
• Straining in the litter tray producing nothing, especially a male cat. A urinary blockage can kill within a day.
• Difficulty breathing, open-mouthed breathing in a cat, or blue-tinged gums.
• Collapse, seizure, or non-responsiveness.
• A cat who has not eaten at all for more than about 24 hours. Cats can develop serious liver problems from short periods without food.
• Persistent vomiting or diarrhoea, blood in either, or any vomiting alongside lethargy.
• Suspected ingestion of something toxic — chocolate, grapes or raisins, xylitol, lilies, human medication.
• Any injury, obvious pain, or sudden inability to bear weight.

Do not wait for the owner's permission to seek emergency care. Treat first and inform them as soon as you can — this is exactly what the written vet authorisation exists for.

Normal settling

In the first 48 hours, all of the following are common and not causes for alarm on their own:

• Eating less, or refusing one or two meals.
• Sleeping considerably more than usual.
• Being either unusually clingy or unusually withdrawn.
• Some pacing, particularly in the evening.
• Whining or restlessness on the first night.
• One or two indoor accidents from a house-trained animal.
• Reduced interest in play or toys.
• A cat hiding almost continuously for the first day or two.

The pattern that matters is direction. These should ease noticeably between day two and day four.

Reading a dog

Early, easily missed signals

Dogs communicate discomfort long before they escalate, and the early signals are quiet ones:

• Lip licking when no food is present.
• Yawning when not tired.
• Turning the head away, or showing the whites of the eyes while keeping the head still.
• Shaking off as though wet, when dry — usually a reset after a tense moment.
• Scratching or sniffing the ground suddenly and apparently for no reason.
• A tucked tail, lowered body, or ears held back.
• Panting when it is neither hot nor after exercise.

Individually these mean little. Several together, repeatedly, in the same context, tell you something is uncomfortable about that context — and give you a chance to change it before it becomes a growl.

Signs of a dog not coping

• Not eating at all for more than 24 hours.
• Constant panting or trembling with no physical cause.
• Destructive behaviour focused on exits — doors, window frames, crate doors. This suggests genuine separation distress rather than boredom.
• Vocalising for extended periods when alone.
• Self-directed behaviour: licking one spot raw, chewing paws or tail.
• Refusing to leave one spot, or refusing to come inside.
• Loss of house-training well beyond the first day.
• Any growling, snapping, or stiffening — take this seriously and give the dog more space rather than correcting it. A dog who is punished for growling may skip the warning next time.

Reading a cat

Cats conceal distress far more effectively than dogs, which means the signs are subtler and the stakes are often higher.

• Not eating. The most important single sign in a cat. More than about 24 hours without food warrants veterinary advice.
• Litter tray changes. Going elsewhere, straining, going more often, or blood. In a male cat, straining without producing urine is an emergency.
• Hiding that does not improve. Hiding on day one is expected. Still hiding continuously on day four, refusing food, is not.
• Overgrooming, often producing bald patches on the belly or inner legs.
• Sitting hunched with feet tucked, eyes half-closed. Frequently a pain posture rather than contentment.
• Loss of interest in grooming altogether, producing a scruffy, greasy coat.
• Spraying or scratching furniture, which is territorial insecurity rather than naughtiness.

What to actually do

Most mild-to-moderate stress responds to reducing input rather than adding comfort.

• Give them a retreat and respect it. A closed room, a covered bed, space under a piece of furniture. Do not follow an animal into their hiding place to reassure them — allowing the retreat to work is the reassurance.
• Reduce stimulation. Fewer people, less noise, quieter walk routes, no visitors.
• Increase predictability. Same times, same places, same order of events. Routine does more for an anxious animal than affection does.
• Separate from resident animals more, not less. The instinct to help them "get used to each other" often makes things worse.
• Put their own bedding somewhere they choose to be, rather than where you would like them to sleep.
• Let them opt out of interaction entirely for a day if that is what they are asking for.

When to contact the owner

Sooner than feels necessary. A brief factual message on day one costs nothing; a five-day silence followed by a problem is much harder for everyone.

Contact them if: an animal has refused two consecutive meals; anything is getting worse rather than better after day three; there has been any aggression; house-training has broken down beyond the first day; or you are simply uneasy and cannot say why.

That last one is legitimate. Owners know their animals, and "he's just not himself and I can't put my finger on it" is genuinely useful information to someone who has ten years of baseline.

When to end the stay

Occasionally the honest answer is that it is not working. Consider ending it if the animal is deteriorating rather than adapting, if there has been aggression that puts anyone at risk, if a resident animal is being seriously affected, or if you no longer feel able to manage it safely.

Ending a stay early is not a failure. Continuing one that is harming an animal, out of a sense of obligation, is the worse outcome.