Is Prednisone Safe for Cats?
Why it’s a problem
Cats tolerate a one-time steroid pill better than dogs do, but unsupervised or repeated dosing leads to increased thirst and urination, weight gain, and diabetes risk. Cats that get into a bottle can eat enough to cause vomiting and GI irritation. Chronic exposure also suppresses the immune system and adrenal function.
How to keep your pet safe
Store prednisone where a cat cannot knock the bottle down, and never give a cat human steroids. If your vet prescribes one, follow the prescribed schedule to the letter.
Warning signs to watch for
Increased thirst and urination, increased appetite, vomiting, diarrhea, lethargy; with long-term exposure: weight gain, thin skin, and signs of diabetes such as drinking and urinating more.
When to call the vet
Call your veterinarian or a pet poison hotline with the estimated amount. Repeated exposure, or any cat already diabetic, needs prompt professional input.
Common questions
My cat ate two of my prednisone pills — should I worry?
A couple of pills usually cause little more than extra thirst in a healthy cat, but the total and your cat’s health history matter. A call to your vet or a poison hotline settles it quickly.
Can prednisone give a cat diabetes?
Repeated steroid exposure can push susceptible cats toward diabetes, which is one reason dosing belongs to a vet. A single accidental pill is much less likely to cause that.
My cat keeps eating my pills — how do I stop this?
Store all medications in a closed cabinet or a lockbox rather than on nightstands or counters. If pill-swallowing continues, mention it to your vet, since repeated exposures add up.
More medications hazards for cats
This page is general educational information, not a substitute for professional veterinary advice. Every pet is different — if your animal ate or touched something concerning, contact your veterinarian or a pet poison hotline right away. In the US: Pet Poison Helpline (855) 764-7661, ASPCA Animal Poison Control (888) 426-4435 (fees may apply).