Is Pepto-Bismol (bismuth subsalicylate) Safe for Cats?
No — Pepto-Bismol (bismuth subsalicylate) is toxic to cats.
Pepto-Bismol (bismuth subsalicylate) is listed as toxic to cats by American College of Veterinary Pharmacists; Pet Poison Helpline. The toxic component is Releases salicylate, which cats metabolise poorly (same problem as aspirin); the bismuth also blackens stool, masking GI bleeding.. Cats metabolise many plant and chemical compounds poorly, so keep Pepto-Bismol (bismuth subsalicylate) away from your cat and treat any exposure seriously.
| Category | Medicine |
|---|---|
| Toxic principle | Releases salicylate, which cats metabolise poorly (same problem as aspirin); the bismuth also blackens stool, masking GI bleeding. |
| Also known as | pepto bismol, bismuth subsalicylate, kaopectate |
Signs to watch for in cats
- Vomiting (± blood)
- Black stool
- Belly pain
- Pale gums
- Fast breathing
- Dehydration
- Seizures. Never give to a cat
If your cat may have been exposed to Pepto-Bismol (bismuth subsalicylate):
- Don't wait for symptoms; don't induce vomiting unless a professional tells you to.
- Note what and how much, and take any packaging with you.
- Call your vet or a 24/7 line now — Pet Poison Helpline 855-764-7661 · ASPCA 888-426-4435.
Cat-safe alternatives
Browse all Medicine for cats · or check another item.
Frequently asked questions
Is Pepto-Bismol (bismuth subsalicylate) toxic to cats?
Yes. Pepto-Bismol (bismuth subsalicylate) is reported toxic to cats by American College of Veterinary Pharmacists; Pet Poison Helpline. Keep it away from your cat.
What are the symptoms if a cat is exposed to Pepto-Bismol (bismuth subsalicylate)?
Reported signs include: Vomiting (± blood), Black stool, Belly pain, Pale gums, Fast breathing, Dehydration, Seizures. Never give to a cat.
What makes Pepto-Bismol (bismuth subsalicylate) toxic to cats?
The harmful component reported for Pepto-Bismol (bismuth subsalicylate) is Releases salicylate, which cats metabolise poorly (same problem as aspirin); the bismuth also blackens stool, masking GI bleeding.. Cats metabolise many such compounds poorly, so even small exposures can cause problems.
How much Pepto-Bismol (bismuth subsalicylate) is dangerous to cats?
There is no established "safe" amount — sensitivity varies by cat, and small exposures can still cause signs. Treat any exposure as potentially serious rather than waiting to see how much was involved.
What should I do if my cat ate Pepto-Bismol (bismuth subsalicylate)?
Contact your vet or a 24/7 animal poison line right away: Pet Poison Helpline (855-764-7661) or ASPCA Animal Poison Control (888-426-4435).