Benazepril vs Semintra: what's the difference?
How Benazepril and Semintra 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
| Benazepril | Semintra | |
|---|---|---|
| Generic name | Benazepril | Telmisartan |
| Brand names | Fortekor, Lotensin | Semintra |
| For | Dogs and cats | Dogs and cats |
| Prescription | Prescription | Prescription |
| Used for | Treats heart failure, high blood pressure and kidney disease (including protein in the urine). [1] | Treats high blood pressure in cats and protein loss in the urine with kidney disease. [2] |
| How it works | An ACE inhibitor that relaxes blood vessels. [1] | An angiotensin receptor blocker that relaxes blood vessels and protects the kidney filters. [2] |
| Common side effects | Vomiting, diarrhea and low appetite. Rarely tiredness or wobbliness. [1] | Vomiting, diarrhea, low appetite, low blood pressure and low energy. [2] |
| Use with care | Not for pregnant pets. Your vet will monitor kidney values. [1] | Not for dehydrated or pregnant pets or pets with low blood pressure. [2] |
| Full guide | Benazepril guide | Semintra guide |
Key differences
- They belong to different medicine groups on our site: Benazepril: heart & blood pressure; Semintra: urinary & kidney.
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 Benazepril to Semintra is common, but do it only with your vet's plan.
Common questions
What is the difference between Benazepril and Semintra?
Both help with protein loss in the urine from kidney disease. Semintra (telmisartan) is an angiotensin receptor blocker; benazepril is an ACE inhibitor.
Is Benazepril better than Semintra?
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 Benazepril and Semintra 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 Benazepril and Semintra need a prescription?
Benazepril: Yes. It needs a prescription from a veterinarian. Semintra: 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.