Ondansetron
515 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.
515
Total Reports
152
Deaths Reported
2950.0%
Death Rate
Active Ingredients
Ondansetron
Administration Routes
UnknownOralIntravenousParenteralSubcutaneousIntramuscularOtherTransdermal
Species Affected
Dog 379
Cat 133
Human 3
Most Affected Breeds
Domestic Shorthair 77
Retriever - Labrador 61
Retriever - Golden 27
Crossbred Canine/dog 17
Domestic Mediumhair 14
Pit Bull 12
Dog (unknown) 11
Boxer (German Boxer) 10
Domestic Longhair 10
Terrier (unspecified) 9
Most Reported Reactions
Vomiting 129
Lethargy (see also Central nervous system depression in Neurological) 119
Death by euthanasia 110
Diarrhoea 97
Not eating 94
Elevated alanine aminotransferase (ALT) 71
Decreased appetite 70
Abnormal ultrasound finding 68
Other abnormal test result NOS 62
Weight loss 61
Elevated total bilirubin 60
Anorexia 56
Outcome Breakdown
Ongoing
157 (30.5%)
Euthanized
110 (21.4%)
Recovered/Normal
105 (20.4%)
Outcome Unknown
100 (19.4%)
Died
42 (8.2%)
Recovered with Sequela
1 (0.2%)
Source: FDA Center for Veterinary Medicine — Adverse Event Reports. Data reflects voluntary submissions and may not represent actual incidence rates.