Unknown Medication
676 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.
676
Total Reports
93
Deaths Reported
1380.0%
Death Rate
Active Ingredients
Unknown Medication
Administration Routes
UnknownOralParenteralTopicalSubcutaneousIntravenousAuricular (Otic)OtherIntradermalIntramammary
Species Affected
Dog 434
Cat 192
Human 37
Cattle 8
Pig 2
Chicken 1
Cephalopoda 1
Horse 1
Most Affected Breeds
Domestic Shorthair 105
Retriever - Labrador 52
Cat (unknown) 41
Dog (unknown) 39
Unknown 37
Chihuahua 23
Crossbred Canine/dog 20
Shih Tzu 20
Retriever - Golden 19
Shepherd Dog - German 16
Most Reported Reactions
Vomiting 119
Behavioural disorder NOS 67
Death by euthanasia 55
Diarrhoea 54
Not eating 54
Lethargy (see also Central nervous system depression in Neurological) 46
Other abnormal test result NOS 45
Lethargy (see also Central nervous system depression in 'Neurological') 44
Lack of efficacy - NOS 40
Death 40
Lack of efficacy (ectoparasite) - flea 36
Elevated alanine aminotransferase (ALT) 31
Outcome Breakdown
Outcome Unknown
257 (37.3%)
Recovered/Normal
172 (25.0%)
Ongoing
159 (23.1%)
Euthanized
55 (8.0%)
Died
40 (5.8%)
Recovered with Sequela
6 (0.9%)
Source: FDA Center for Veterinary Medicine — Adverse Event Reports. Data reflects voluntary submissions and may not represent actual incidence rates.