Vaccines (Unknown)
2,251 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.
2,251
Total Reports
96
Deaths Reported
430.0%
Death Rate
Active Ingredients
Vaccines (Unknown)
Administration Routes
UnknownParenteralSubcutaneousOralNasalSubconjunctivalTransdermalOtherIntramuscular
Species Affected
Dog 2,094
Cat 128
Cattle 22
Unknown 2
Chicken 2
Human 1
Horse 1
Goat 1
Most Affected Breeds
Retriever - Labrador 246
Shepherd Dog - German 113
Crossbred Canine/dog 106
Pit Bull 98
Retriever - Golden 88
Chihuahua 85
Boxer (German Boxer) 84
Terrier - Yorkshire 82
Domestic Shorthair 77
Shih Tzu 75
Most Reported Reactions
Emesis 865
Vomiting 476
Lethargy (see also Central nervous system depression in 'Neurological') 448
Diarrhoea 177
Behavioural disorder NOS 101
Other abnormal test result NOS 86
Lack of efficacy - NOS 79
Lack of efficacy (endoparasite) - heartworm 78
Not eating 77
Seizure NOS 75
Ataxia 72
Death 61
Outcome Breakdown
Recovered/Normal
1,391 (61.5%)
Outcome Unknown
460 (20.3%)
Ongoing
195 (8.6%)
Recovered with Sequela
120 (5.3%)
Died
67 (3.0%)
Euthanized
30 (1.3%)
Source: FDA Center for Veterinary Medicine — Adverse Event Reports. Data reflects voluntary submissions and may not represent actual incidence rates.