Penicillin
387 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.
387
Total Reports
111
Deaths Reported
2870.0%
Death Rate
Active Ingredients
Penicillin
Administration Routes
UnknownSubcutaneousParenteralIntramuscularOralOtherTopicalSubconjunctival
Species Affected
Dog 239
Cat 107
Cattle 20
Horse 7
Rabbit 5
Pig 4
Goat 1
Rat 1
Human 1
Other Canids 1
Most Affected Breeds
Domestic Shorthair 68
Retriever - Labrador 29
Domestic Longhair 18
Terrier - Bull - American Pit 10
Chihuahua 9
Pit Bull 9
Shepherd Dog - German 8
Cat (unknown) 8
Shepherd Dog - Australian 8
Boxer (German Boxer) 8
Most Reported Reactions
Death 73
Lethargy (see also Central nervous system depression in 'Neurological') 70
Vomiting 59
Anorexia 57
Other abnormal test result NOS 57
Death by euthanasia 34
Ataxia 33
Diarrhoea 33
Not eating 33
Seizure NOS 31
Weight loss 30
Behavioural disorder NOS 29
Outcome Breakdown
Ongoing
116 (29.0%)
Recovered/Normal
104 (26.0%)
Died
79 (19.8%)
Outcome Unknown
60 (15.0%)
Euthanized
34 (8.5%)
Recovered with Sequela
7 (1.8%)
Source: FDA Center for Veterinary Medicine — Adverse Event Reports. Data reflects voluntary submissions and may not represent actual incidence rates.