Methylprednisone Acetate
247 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.
247
Total Reports
27
Deaths Reported
1090.0%
Death Rate
Active Ingredients
Methylprednisone Acetate
Administration Routes
UnknownParenteralSubcutaneousOralIntramuscular
Species Affected
Cat 137
Dog 110
Most Affected Breeds
Domestic Shorthair 90
Domestic Longhair 12
Crossbred Canine/dog 9
Domestic Mediumhair 9
Shih Tzu 8
Retriever - Labrador 8
Terrier - Yorkshire 7
Cat (unknown) 7
Chihuahua 7
Siamese 6
Most Reported Reactions
Emesis 77
Vomiting 54
Lethargy (see also Central nervous system depression in 'Neurological') 37
Lack of efficacy - NOS 22
Weight loss 19
Anorexia 18
Death 18
Behavioural disorder NOS 14
Diarrhoea 14
Seizure NOS 13
Other abnormal test result NOS 12
Lack of efficacy (ectoparasite) - flea 11
Outcome Breakdown
Recovered/Normal
121 (49.0%)
Outcome Unknown
52 (21.1%)
Ongoing
27 (10.9%)
Recovered with Sequela
20 (8.1%)
Died
20 (8.1%)
Euthanized
7 (2.8%)
Source: FDA Center for Veterinary Medicine — Adverse Event Reports. Data reflects voluntary submissions and may not represent actual incidence rates.