Trilostane (Vetoryl) side effects in dogs
11,924 reports sent to the FDA between 2004 and 2026 involve Trilostane in dogs. The most reported problems were loss of appetite, liver problems, lethargy. 46% were marked serious, and where it was recorded, signs eased after stopping the medicine in 67% of cases.
About this medicine
Trilostane treats Cushing's disease (an overactive adrenal gland).
Products with this ingredient include Vetoryl. The FDA hides brand names in its public data, so these reports cover every product with the same active ingredients.
Most reported side effects
Share = percentage of this medicine's reports that mention the problem. One report can list several problems.
Reports that it didn't work
Some reports are about the medicine not working (for example a dog still getting fleas or heartworm), not about a side effect.
How soon problems started
Time from the first dose to the first sign, where both dates were reported (8,931 reports).
How the animals did
Breeds named most often
Popular breeds appear more often because there are more of them.
- Shih Tzu 514 reports
- Boston Terrier 497 reports
- Labrador Retriever 437 reports
- Chihuahua 378 reports
- Beagle 368 reports
- Yorkshire Terrier 349 reports
- Miniature Dachshund 347 reports
- Maltese 318 reports
- Standard Long-haired Dachshund 276 reports
- Boxer (german Boxer) 266 reports