Is Aspirin Safe for Cats?
No — Aspirin is toxic to cats.
Aspirin is listed as toxic to cats by Merck Vet Manual; Court 2013. The toxic component is Cats clear salicylates extremely slowly (deficient glucuronidation + poor glycine conjugation; half-life ~37 h), so it accumulates to toxic levels.. Cats metabolise many plant and chemical compounds poorly, so keep Aspirin away from your cat and treat any exposure seriously.
| Category | Medicine |
|---|---|
| Also known as | acetylsalicylic acid, asa |
Signs to watch for in cats
Listlessness, loss of appetite, vomiting (± blood), fast breathing, stomach ulceration, liver injury, bleeding, seizures. Never give without a vet directing it.
If your cat may have been exposed to Aspirin:
- Don't wait for symptoms; don't induce vomiting unless a professional tells you to.
- Note what and how much, and take any packaging with you.
- Call your vet or a 24/7 line now — Pet Poison Helpline 855-764-7661 · ASPCA 888-426-4435.
Cat-safe alternatives
Browse all Medicine for cats · or check another item.
Source: Merck Vet Manual; Court 2013 ↗
Frequently asked questions
Is Aspirin toxic to cats?
Yes. Aspirin is reported toxic to cats by Merck Vet Manual; Court 2013. Keep it away from your cat.
What are the symptoms if a cat is exposed to Aspirin?
Reported signs include: Listlessness, loss of appetite, vomiting (± blood), fast breathing, stomach ulceration, liver injury, bleeding, seizures. Never give without a vet directing it.
What should I do if my cat ate Aspirin?
Contact your vet or a 24/7 animal poison line right away: Pet Poison Helpline (855-764-7661) or ASPCA Animal Poison Control (888-426-4435).