ToxicEmergency
Dog ate iron supplements? What to do
Iron overdoses irritate a dog's stomach and gut and can lead to bloody vomiting, shock and liver failure.
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 bottle and bring it with you.
- Count how many pills are missing, if you can.
Don't
- Don't make your dog vomit unless a vet tells you to.
Signs to watch for
- Vomiting, with or without blood
- Diarrhea, with or without blood
- Not eating
- Low energy
- Fever
- Shock or collapse
When signs appear: Usually within 6 hours
Why
Iron has a direct corrosive, irritating effect on the lining of the stomach and gut, and the body handles an overdose poorly.
Sources
Guide reviewed 9 October 2026.
General information from the sources above, not a diagnosis. When in doubt, call your vet.