Is Alprazolam (Xanax) Safe for Dogs?
Why it’s a problem
Alprazolam is a fast-acting benzodiazepine with strong sedative effects, and in dogs it can depress the central nervous system so deeply that breathing and blood pressure drop, especially in small or older dogs. Some dogs react in reverse — becoming agitated, vocal, and wobbly — which makes home monitoring unreliable.
How to keep your pet safe
Keep Xanax and all anxiety medications locked away, since bottles in purses or on nightstands are the usual source of exposures. If your dog has firework or travel anxiety, ask your vet for a prescribed option at a dog-safe dose.
Warning signs to watch for
Severe drowsiness, stumbling, drooling, weakness, slow breathing, low body temperature; paradoxical reactions: restlessness, aggression, panting, racing heart; large doses: collapse, coma.
When to call the vet
Call your veterinarian or a pet poison hotline immediately — benzodiazepine overdoses can require hospital support for breathing and temperature. Do not wait to see whether your dog simply sleeps it off.
Common questions
My dog ate my Xanax — will he just sleep?
Not necessarily — overdoses can slow breathing and heart rate, and some dogs become agitated instead of sleepy. Call your vet or a poison hotline right away with the dose and your dog’s weight.
Can I give my dog half a Xanax before a car ride?
No. Never self-dose a pet — alprazolam can depress breathing at wrong doses. Ask your veterinarian for a dog-appropriate anxiety treatment.
More medications hazards for dogs
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).