Spironolactone for dogs and cats
An add-on diuretic for heart failure and fluid buildup. [1]
Key facts
| Generic name | Spironolactone |
|---|---|
| Common brand names | Aldactone, Prilactone |
| Used in | Dogs & Cats |
| Type | Heart & blood pressure |
| Prescription? | Prescription |
| Typical US price | Not listed (no reliable public source) |
What it's used for
An add-on diuretic for heart failure and fluid buildup. [1]
How it works
It blocks aldosterone, which helps the body shed fluid while keeping potassium. [1]
Side effects and cautions
Common side effects: More drinking and urination, mild energy loss, vomiting and diarrhea. Some cats get facial skin sores. [1]
Use with care: Not for pets with high potassium, Addison's disease or serious kidney problems. [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.
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.
Spironolactone FAQ
What is Spironolactone used for in dogs and cats?
An add-on diuretic for heart failure and fluid buildup.
What are the side effects of Spironolactone?
More drinking and urination, mild energy loss, vomiting and diarrhea. Some cats get facial skin sores.
Does Spironolactone need a prescription?
Yes. It needs a prescription from a veterinarian.
How much Spironolactone 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.