Famotidine
2,893 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.
2,893
Total Reports
698
Deaths Reported
2410.0%
Death Rate
Active Ingredients
Famotidine
Administration Routes
UnknownOralSubcutaneousIntravenousParenteralIntramuscularOtherTopicalTransdermalIntradermal
Species Affected
Dog 2,504
Cat 377
Human 9
Parrot 2
Ferret 1
Most Affected Breeds
Retriever - Labrador 373
Domestic Shorthair 247
Crossbred Canine/dog 95
Chihuahua 87
Retriever - Golden 86
Boxer (German Boxer) 84
Terrier - Yorkshire 77
Terrier - Bull - American Pit 76
Shih Tzu 76
Shepherd Dog - German 61
Most Reported Reactions
Vomiting 864
Lethargy (see also Central nervous system depression in 'Neurological') 667
Diarrhoea 510
Anorexia 486
Other abnormal test result NOS 412
Death by euthanasia 411
Elevated alanine aminotransferase (ALT) 341
Weight loss 281
Decreased appetite 274
Elevated serum alkaline phosphatase (SAP) 270
Death 269
Not eating 257
Outcome Breakdown
Ongoing
954 (32.9%)
Recovered/Normal
633 (21.9%)
Outcome Unknown
575 (19.8%)
Euthanized
414 (14.3%)
Died
286 (9.9%)
Recovered with Sequela
35 (1.2%)
Source: FDA Center for Veterinary Medicine — Adverse Event Reports. Data reflects voluntary submissions and may not represent actual incidence rates.