Trifexis
84 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.
84
Total Reports
5
Deaths Reported
600.0%
Death Rate
Active Ingredients
Trifexis
Administration Routes
OralUnknownTopical
Species Affected
Dog 84
Most Affected Breeds
Retriever - Labrador 13
Shepherd Dog - German 8
Crossbred Canine/dog 4
Terrier (unspecified) 4
Shepherd Dog - Australian 4
Dachshund (unspecified) 3
Terrier - Bull - American Pit 3
Chihuahua 3
Bulldog - French 2
Shih Tzu 2
Most Reported Reactions
Lack of efficacy (endoparasite) - heartworm 55
Seizure NOS 6
Diarrhoea 4
Vomiting 3
Drug dose administration interval too long 3
Ataxia 3
Lethargy (see also Central nervous system depression in 'Neurological') 3
Medication error NOS 3
Aggression 2
Bruising 2
Growling 2
Lack of efficacy (ectoparasite) - flea 2
Outcome Breakdown
Ongoing
67 (79.8%)
Recovered/Normal
5 (6.0%)
Outcome Unknown
5 (6.0%)
Died
3 (3.6%)
Recovered with Sequela
2 (2.4%)
Euthanized
2 (2.4%)
Source: FDA Center for Veterinary Medicine — Adverse Event Reports. Data reflects voluntary submissions and may not represent actual incidence rates.