Why this verdict for dogs
Antidepressants (such as SSRIs like Prozac or Zoloft) can cause “serotonin syndrome” in dogs — agitation, tremors and a racing heart. A dropped pill needs prompt vet care.
Warning signs to watch for
- Agitation or sedation
- Tremors
- Racing heart
- Dilated pupils
⚠ If your dog ate antidepressants
Act immediately — don't wait for symptoms.
- Call your vet or a pet poison helpline right away.
- Note how much was eaten and when.
- Do not induce vomiting unless a professional tells you to.
Poisoning emergencies are expensive
A single toxicity visit can cost hundreds. Compare pet insurance plans that cover accidents and poisoning.
Frequently asked questions
Can dogs eat antidepressants?
No. Antidepressants (such as SSRIs like Prozac or Zoloft) can cause “serotonin syndrome” in dogs — agitation, tremors and a racing heart. A dropped pill needs prompt vet care.
How much antidepressants can dogs have?
None — antidepressants is not safe for dogs and should be avoided entirely. When in doubt, ask your vet.
Is antidepressants safe for cats too?
Verdicts can differ between species. See the cat answer for antidepressants →
More medications for dogs
By the CanMyPet Editorial Team · Reviewed against ASPCA Animal Poison Control, the American Kennel Club (AKC) and Pet Poison Helpline · Last updated June 2026.
Sources
- ASPCA — People Foods to Avoid Feeding Your Pets
- American Kennel Club — Dog Nutrition
- Pet Poison Helpline — Poison List