Pet Education

Browse our veterinary-reviewed Dog and Cat Illness Guide to learn more about pet health. Always talk to your veterinarian if you have a concern about your pet's symptoms or health.
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Feline Hypertension

Hypertension is the medical term for high blood pressure. It is most common in older, obese cats.

This disease can cause injury to the brain, eyes, heart, and kidneys.


Some cases of hypertension are idiopathic (there is no known cause). This is called Primary Hypertension. Some known causes include:

Other causes may include:


Many cats with hypertension have no signs at all. In cats that do show signs, the most common one is eye abnormalities:

Othersigns include:

If the underlying cause is kidney disease or hyperthyroidism, there will be additional signs:


To properly diagnose your cat with hypertension, your veterinarian may perform the following:


Most veterinarians will recommend the following treatments for cats with hypertension:


If your cat is older, or has kidney or thyroid problems, you should have your veterinarian regularly test its blood pressure.


Hyperthyroidism is usually curable, but the prognosis depends on the severity of the underlying cause.

If the cat became blind, it may regain its vision if caught early enough.

Medically Reviewed by Sara Ochoa, DVM

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