Enalapril vs Benazepril: what's the difference?
How Enalapril and Benazepril compare: what each is for, how it works, side effects and cost, side by side.
Last updated: October 2026 · 2 sources · see sources
Side by side
| Enalapril | Benazepril | |
|---|---|---|
| Generic name | Enalapril | Benazepril |
| Brand names | Enacard, Vasotec | Fortekor, Lotensin |
| For | Dogs and cats | Dogs and cats |
| Prescription | Prescription | Prescription |
| Used for | Treats heart failure, high blood pressure and protein loss in the urine; also used in kidney disease. [1] | Treats heart failure, high blood pressure and kidney disease (including protein in the urine). [2] |
| How it works | An ACE inhibitor: it relaxes blood vessels and lowers the strain on the heart and kidneys. [1] | An ACE inhibitor that relaxes blood vessels. [2] |
| Common side effects | Low appetite, vomiting, diarrhea and tiredness. Low blood pressure or kidney changes are possible. [1] | Vomiting, diarrhea and low appetite. Rarely tiredness or wobbliness. [2] |
| Use with care | Your vet will usually check kidney values and potassium. Use extreme caution in pregnant pets. [1] | Not for pregnant pets. Your vet will monitor kidney values. [2] |
| Full guide | Enalapril guide | Benazepril guide |
Key differences
On the basics they are alike: same kind of animal, same way to get them. The differences are in how they work and what else they cover, shown in the table above.
Which one is right for my pet?
That is a call for your vet. They weigh your pet's age, weight, other health problems, other medicines and what you can realistically give at home.
Switching from Enalapril to Benazepril is common, but do it only with your vet's plan.
Common questions
What is the difference between Enalapril and Benazepril?
Both are ACE inhibitors used for heart failure, high blood pressure and kidney protein loss.
Is Enalapril better than Benazepril?
Neither is better for every pet. Your vet chooses based on your pet's species, age, health history, other medicines and what you can manage at home.
Can my pet take Enalapril and Benazepril together?
Only if your vet says so. Some medicines in the same family should not be combined, and others are often used together. Always check before adding or switching.
Do Enalapril and Benazepril need a prescription?
Enalapril: Yes. It needs a prescription from a veterinarian. Benazepril: Yes. It needs a prescription from a veterinarian.
Related
This page is general information for planning, not veterinary advice. Talk to your vet about your own pet.