When is lethargy and hiding in a cat an emergency?

Call a vet straight away if: collapsed, very weak, or cannot stand; breathing with the mouth open; straining to pee with little coming out; may have eaten a lily or another poison.

When should my cat see a vet today?

Book a vet visit the same day if: hiding and not eating; quieter than usual for more than a day; also vomiting or has diarrhoea; an older cat that has lost weight.

Can I wait and watch at home?

Usually yes, for up to a day, if: a sleepy day after a vaccination, still eating and drinking. If anything changes or worries you, book a vet.

Can I give my cat human medicine?

No. Many human medicines, including paracetamol and ibuprofen, are poisonous to dogs and cats. Only give what a vet prescribes after examining your pet.

Can a vet see my cat at home in Pune?

Yes. Sniffi's vets visit homes across Pune, or you can book a quick teleconsult first. Call +91 91751 29919 or book online.

Lethargic Cat: Why Your Cat Is Hiding or Sleeping More

Updated 2026-10-05. General information, not a diagnosis.

Cats are good at hiding illness. A cat that suddenly hides, stops greeting you, or sleeps far more than usual is often unwell, even when there is no other obvious sign.

Not sure how serious it is? Describe it in your own words and get an answer in a minute.

Check symptoms free

Call a vet now if

Collapsed, very weak, or cannot stand
Breathing with the mouth open
Straining to pee with little coming out
May have eaten a lily or another poison

Call +91 91751 29919

Book a vet visit today if

Hiding and not eating
Quieter than usual for more than a day
Also vomiting or has diarrhoea
An older cat that has lost weight

Usually fine to watch at home for a day if

A sleepy day after a vaccination, still eating and drinking

Common causes of lethargy and hiding in cats

Fever and infections
Pain from injuries, teeth or joints
Kidney, thyroid and other illnesses in older cats
Stress
Poisoning

Only a vet who examines your cat can tell which one it is.

What you can do right now

Keep your cat warm, with water, food and litter close by
Note when your cat last ate, drank and used the litter box
Do not give any human medicine. Paracetamol (Crocin, Dolo), ibuprofen and many others are poisonous to dogs and cats, even in small amounts.

Talk to a Sniffi vet

Pune's home vet service. Pick what suits you.

📞 Book a quick teleconsultA vet calls you back 🏠 Schedule a home visitA vet comes to your home

Questions pet parents ask

When is lethargy and hiding in a cat an emergency?: Call a vet straight away if: collapsed, very weak, or cannot stand; breathing with the mouth open; straining to pee with little coming out; may have eaten a lily or another poison.
When should my cat see a vet today?: Book a vet visit the same day if: hiding and not eating; quieter than usual for more than a day; also vomiting or has diarrhoea; an older cat that has lost weight.
Can I wait and watch at home?: Usually yes, for up to a day, if: a sleepy day after a vaccination, still eating and drinking. If anything changes or worries you, book a vet.
Can I give my cat human medicine?: No. Many human medicines, including paracetamol and ibuprofen, are poisonous to dogs and cats. Only give what a vet prescribes after examining your pet.
Can a vet see my cat at home in Pune?: Yes. Sniffi's vets visit homes across Pune, or you can book a quick teleconsult first. Call +91 91751 29919 or book online.

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