Heart & blood pressure Dogs & Cats

Benazepril for dogs and cats

Treats heart failure, high blood pressure and kidney disease (including protein in the urine). [1]

Last reviewed: October 2026 · 2 sources · see sources

Quick answerBenazepril is a prescription medicine for dogs and cats. An ACE inhibitor that relaxes blood vessels. The most common side effects: vomiting, diarrhea and low appetite.

Key facts

Generic nameBenazepril
Common brand namesFortekor, Lotensin
Used inDogs & Cats
TypeHeart & blood pressure
Prescription?Prescription
Typical US priceNot listed (no reliable public source)

What it's used for

Treats heart failure, high blood pressure and kidney disease (including protein in the urine). [1]

How it works

An ACE inhibitor that relaxes blood vessels. [1]

Side effects and cautions

Common side effects: Vomiting, diarrhea and low appetite. Rarely tiredness or wobbliness. [1]

Use with care: Not for pregnant pets. Your vet will monitor kidney values. [1]

Call your vet right away if your pet has trouble breathing, facial swelling, hives, collapse, or any side effect that is severe or getting worse.

About dosingDosing is your vet's call. We don't list doses because the right amount depends on your pet's weight, age, health and other medicines. Don't change a dose or stop a medicine without asking your vet, and never give a pet medicine meant for people unless your vet tells you to [2].

What it costs

We don't list a price for this one because we couldn't find a reliable public source. Ask your vet or pharmacy for a quote; prices depend on your pet's size, the dose and where you fill it.

Benazepril FAQ

What is Benazepril used for in dogs and cats?

Treats heart failure, high blood pressure and kidney disease (including protein in the urine).

What are the side effects of Benazepril?

Vomiting, diarrhea and low appetite. Rarely tiredness or wobbliness.

Does Benazepril need a prescription?

Yes. It needs a prescription from a veterinarian.

How much Benazepril should I give my pet?

Only your veterinarian can tell you. The right dose depends on your pet's weight, health and other medicines, so we don't list doses. Never give a pet a medicine prescribed for a person or another animal without asking your vet.

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This page is general information for pet owners, not veterinary advice. Talk to your vet about your own pet.

Sources (2) — tap to show
  1. VCA Animal Hospitals – Benazepril (veterinary drug handout)
  2. FDA – Frequently asked questions about animal drugs