Toxic to cats · Medications

Are ACE-inhibitors toxic to cats?

Moderate severity

Yes, ACE-inhibitors are toxic to cats. They can cause real illness, so contact your vet if your pet has been exposed.

Symptoms to watch for

  • hypotension
  • lethargy
  • weakness
  • vomiting
  • diarrhea
  • tachycardia

How vets treat it

Immediate veterinary consultation is recommended for monitoring of blood pressure and hydration; supportive care may include fluid therapy.

Why it's dangerous

These medications lower blood pressure by inhibiting the conversion of angiotensin I to angiotensin II, which can lead to severe hypotension and secondary symptoms when ingested in excessive amounts.

Toxic compound: Angiotensin-converting enzyme inhibitors

Good to know

Pets with underlying kidney failure or heart disease are more sensitive to the toxic effects of these medications.

Sources

This page is informational and is not veterinary advice. If your pet has been exposed to something risky, contact your vet or an animal poison control line right away.

· How we prepare our guides

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