Is Buspirone (Buspar) Safe for Cats?
Why it’s conditional
Veterinarians prescribe buspirone for cats with anxiety-related behaviors such as urine marking, so supervised use is real medicine rather than an accident waiting to happen. The danger is dosing: human tablets commonly contain strengths far above feline needs, and an unsupervised dose can cause excessive sedation or, paradoxically, agitation. Behavioral medication should never be borrowed pills.
How to keep your pet safe
If your vet prescribes buspirone for your cat, use the dispensed formulation and follow the label exactly. Store the bottle in a closed cabinet away from counters. Report side effects to the vet rather than adjusting the dose yourself.
Warning signs to watch for
Excessive drowsiness or, paradoxically, restlessness and agitation, dilated pupils, vomiting, drooling, wobbliness, hiding.
When to call the vet
For an accidental ingestion of human buspirone, call your vet or a pet poison hotline with the strength and amount involved. For prescribed use, call the prescribing clinic about any unusual reaction. Never self-dose a cat for behavior problems.
Common questions
Can I give my cat Buspar for peeing outside the litter box?
Buspirone is genuinely prescribed for feline marking, but only by a vet who rules out medical causes and calculates a feline dose. Human tablets are far too strong to dose at home.
My cat got into my buspirone bottle — what should I watch for?
Watch for heavy sedation or the opposite — agitation — plus vomiting and wobbliness. Call your vet or a pet poison hotline with the tablet strength and how many are missing.
More medications hazards for cats
This page is general educational information, not a substitute for professional veterinary advice. Every pet is different — if your animal ate or touched something concerning, contact your veterinarian or a pet poison hotline right away. In the US: Pet Poison Helpline (855) 764-7661, ASPCA Animal Poison Control (888) 426-4435 (fees may apply).