PupkeeperToxicEmergency
Dog ate antidepressants? What to do
Antidepressant pills can make dogs drowsy or dangerously overstimulated, with tremors, fever and seizures.
If your dog ate or touched this, call your vet or a pet poison line now
United States
Poison lines in other countries: United Kingdom, Australia, Canada, New Zealand
What to do now
- Call your vet or a pet poison line now.
- Keep the packaging and bring it with you.
- Act fast. Dogs often need vet treatment right away.
Don't
- Don't make your dog vomit unless a vet tells you to.
Signs to watch for
- Drooling or vomiting
- Sleepiness or less alert
- Agitation or confusion
- Shaking or tremors
- Abnormal heart rate
- Fever
- Crying out
- Seizures
When signs appear: Minutes to 12 hours
Why
An overdose of almost any antidepressant can cause serotonin syndrome, a dangerous overload of signals in the brain and nerves.
Sources
- VCA Animal Hospitals: Behavioral Health Medication Poisoning
- Merck Veterinary Manual: Poisonings from Human Prescription Drugs
- Pet Poison Helpline: Antidepressants
Guide reviewed 9 October 2026.
General information from the sources above, not a diagnosis. When in doubt, call your vet.