Trazadone
697 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.
697
Total Reports
57
Deaths Reported
820.0%
Death Rate
Active Ingredients
Trazadone
Administration Routes
UnknownOral
Species Affected
Dog 682
Cat 11
Human 3
Horse 1
Most Affected Breeds
Retriever - Labrador 84
Crossbred Canine/dog 55
Shepherd Dog - German 50
Retriever - Golden 34
Pit Bull 24
Shepherd Dog - Australian 21
Boxer (German Boxer) 18
Beagle 17
Shih Tzu 17
Siberian Husky 17
Most Reported Reactions
Vomiting 147
Diarrhoea 69
Lack of efficacy (endoparasite) - heartworm 55
Lethargy (see also Central nervous system depression in Neurological) 52
Lack of efficacy - NOS 41
Death by euthanasia 40
Lethargy (see also Central nervous system depression in 'Neurological') 37
Other abnormal test result NOS 37
Seizure NOS 34
Elevated alanine aminotransferase (ALT) 34
Decreased appetite 33
Ataxia 32
Outcome Breakdown
Outcome Unknown
261 (37.4%)
Ongoing
208 (29.8%)
Recovered/Normal
171 (24.5%)
Euthanized
40 (5.7%)
Died
17 (2.4%)
Source: FDA Center for Veterinary Medicine — Adverse Event Reports. Data reflects voluntary submissions and may not represent actual incidence rates.