Trilostane
15,369 adverse event reports submitted to the FDA
Important: Adverse event reports do not establish that a drug caused or contributed to the event. Consult your veterinarian before making treatment decisions.
15,369
Total Reports
1,661
Deaths Reported
1080.0%
Death Rate
Active Ingredients
Trilostane
Administration Routes
OralUnknownOtherTopicalTransdermalOphthalmic
Species Affected
Dog 15,087
Unknown 222
Human 46
Cat 12
Horse 1
Other 1
Most Affected Breeds
Retriever - Labrador 1,099
Shih Tzu 803
Chihuahua 718
Crossbred Canine/dog 692
Beagle 681
Terrier - Boston 646
Maltese 624
Terrier - Yorkshire 539
Dog (unknown) 505
Dachshund - Miniature 468
Most Reported Reactions
Lethargy (see also Central nervous system depression in 'Neurological') 2,678
Vomiting 2,547
Elevated serum alkaline phosphatase (SAP) 2,413
Hyperkalaemia 2,292
Weight loss 2,057
Elevated alanine aminotransferase (ALT) 1,902
Underdose 1,901
Diarrhoea 1,857
INEFFECTIVE, CUSHINGS 1,584
Decreased appetite 1,555
Elevated blood urea nitrogen (BUN) 1,414
Anorexia 1,351
Outcome Breakdown
Outcome Unknown
8,923 (59.7%)
Recovered/Normal
2,412 (16.1%)
Ongoing
1,844 (12.3%)
Euthanized
1,173 (7.8%)
Died
491 (3.3%)
Recovered with Sequela
111 (0.7%)
Source: FDA Center for Veterinary Medicine — Adverse Event Reports. Data reflects voluntary submissions and may not represent actual incidence rates.