Pet Medication 101: Spironolactone
It’s important to understand a medication’s uses and side effects before giving it to your pet. This medication info sheet is meant to give you a good understanding of what spironolactone is used for, how it works, and potential side effects in cats and dogs. Always consult a veterinarian before giving your pet any medication.
Book a video consultation with an experienced veterinarian within minutes.
- Professional vet advice online
- Low-cost video vet consultations
- Open 24 hours a day, 365 days a year
1. Drug Name:
2. Brand Names:
Aldactone, Prilactone, Tempora, CaroSpir (oral liquid)
3. How Dispensed:
Tablets 12.5mg, Tablets 25mg, Tablets 50mg, Tablets 100mg, Oral Suspension 25mg/5ml
5. Drug Type/Class:
Diuretic, aldosterone receptor antagonist
6. Uses in Dogs and Cats:
7. How it Works:
Spironolactone works on the kidneys, helping turn excess body fluid into urine. It is considered potassium-sparing, preventing your pet’s body from absorbing too much salt. This keeps your pet’s potassium levels from getting too low.
8. Side Effects and/or Signs of Overdosage:
This medication may cause increased thirst, increased urination, lethargy, mild electrolyte abnormalities, muscle weakness, and heartbeat changes.
9. Drug Interactions:
The following drugs should be avoided when taking spironolactone: digoxin, mitotane, salicylates, neuromuscular blocking agents, cyclosporine, and other potassium-sparing diuretics
10. Cautionary Statements:
Need to speak with a veterinarian regarding your pet’s medication or another condition?
Click here to schedule a video consult to speak to one of our vets. You can also download the FirstVet app from the Apple App Store and Google Play Stores.