Can I Give My Cat Aspirin?

No
Cats clear aspirin extremely slowly, so it accumulates to toxic levels. Vet-monitored use exists for rare cardiac cases only.
Source: Pet Poison Helpline
Already ingested? Pet Poison Helpline 855-764-7661

Dogs are different

Do not carry this answer over to your dog: for dogs, Aspirin falls under “do not give at home.” Species handle drugs differently, and the cat answer on this page applies to cats only.

About Aspirin

Aspirin is on the do-not-give list: there is no safe at-home dose. Reference data on this page reflects published veterinary sources, not a prescription for your cat.

What to have ready when you call the vet

Whether you are confirming a dose or reporting that your cat already got into something, the call goes faster with four facts ready: your cat's current weight, the exact product name and strength from the label, how much was given or eaten, and roughly when. With those, most clinics can answer in one call.

The safe habit

Confirm any medication decision with your veterinarian, who knows your cat's health history and other medications. VetDose shows published reference data, not prescriptions.

See also

Other danger (no safe home dose) questions for cats