PupkeeperCaution
Dog ate ACE inhibitors? Caution: what to do now
ACE inhibitor overdoses are usually low risk for dogs but can cause low blood pressure, weakness and vomiting, more so in dogs with heart or kidney disease.
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, Canada, Australia, New Zealand, Belgium, France, JM, PR, Singapore, Switzerland, TT, VI
ACE inhibitors and dogs: key facts
- Verdict
- Caution · Call your vet or a poison line
- What it can do
- Weakness, low energy, vomiting, diarrhea and pale gums. All 6
- How fast
- Within a few hours; later with extended-release pills
- What to do now
- Call your vet or a pet poison line now. All steps
- Sources
- Pet Poison Helpline, Merck Veterinary Manual. Reviewed 9 October 2026.
What should I do if my dog ate ACE inhibitors?
- Call your vet or a pet poison line now.
- Keep the packaging and bring it with you.
- Tell the vet if your dog has heart or kidney disease.
Don't
- Don't make your dog vomit unless a vet tells you to.
Symptoms to watch for
- Weakness
- Low energy
- Vomiting
- Diarrhea
- Pale gums
- Fast or slow heart rate
When signs appear: Within a few hours; later with extended-release pills
Why
ACE inhibitors lower blood pressure. They have a reasonable margin of safety in dogs, but large amounts can drop blood pressure too far.
Sources
- Pet Poison Helpline: ACE Inhibitors
- Merck Veterinary Manual: Poisonings from Human Prescription Drugs
- Merck Veterinary Manual: Toxicoses in Animals From Cardiovascular Medications
Guide reviewed 9 October 2026. Page updated 7 November 2026.
General information from the sources above, not a diagnosis. When in doubt, call your vet.