Penicillin side effects in dogs
253 reports sent to the FDA between 2008 and 2026 involve Penicillin in dogs. The most reported problems were loss of appetite, vomiting, lethargy. 64% were marked serious.
253Reports
64%Marked serious
0.0%Only medicine involved
29%Recovered
26%Died or euthanised
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About this medicine
Type: medicine.
Most reported side effects
Share = percentage of this medicine's reports that mention the problem. One report can list several problems.
Reports that it didn't work
Some reports are about the medicine not working (for example a dog still getting fleas or heartworm), not about a side effect.
How soon problems started
Time from the first dose to the first sign, where both dates were reported (220 reports).
How the animals did
Breeds named most often
Popular breeds appear more often because there are more of them.
- Labrador Retriever 23 reports
- Bull - American Pit Terrier 8 reports
- French Bulldog 7 reports
- Chihuahua 7 reports
- Pit Bull 7 reports
- Bulldog 6 reports
- Australian Shepherd Dog 6 reports
- Miniature Schnauzer 6 reports
- Boxer (german Boxer) 6 reports
- Pug 5 reports
Other medicines for dogs
Melarsomine (Immiticide)22,672 reports · 41% seriousPolysulfated Glycosaminoglycan5,465 reports · 33% seriousDiphenhydramine4,724 reports · 48% seriousButorphanol4,441 reports · 55% seriousCefpodoxime4,055 reports · 36% seriousTramadol3,768 reports · 47% seriousFlorfenicol + Mometasone + Terbinafine3,542 reports · 60% seriousDesoxycorticosterone Pivalate3,337 reports · 38% serious