Amoxicillin side effects in dogs
1,349 reports sent to the FDA between 1995 and 2026 involve Amoxicillin in dogs. The most reported problems were vomiting, loss of appetite, lethargy. 49% were marked serious, and where it was recorded, signs eased after stopping the medicine in 0% of cases.
1,349Reports
49%Marked serious
18%Only medicine involved
19%Recovered
21%Died or euthanised
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About this medicine
Amoxicillin treats bacterial infections.
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 (914 reports).
How the animals did
Breeds named most often
Popular breeds appear more often because there are more of them.
- Labrador Retriever 166 reports
- German Shepherd Dog 41 reports
- Yorkshire Terrier 40 reports
- Golden Retriever 33 reports
- Chihuahua 32 reports
- Boxer (german Boxer) 31 reports
- Shih Tzu 28 reports
- Dachshund 22 reports
- Pug 20 reports
- Australian Shepherd Dog 19 reports
Other antibiotics for dogs
Amoxicillin + Clavulanate (Clavamox)5,376 reports · 33% seriousDoxycycline4,014 reports · 58% seriousCefovecin (Convenia)3,789 reports · 39% seriousEnrofloxacin (Baytril)3,769 reports · 55% seriousMetronidazole3,090 reports · 55% seriousEnrofloxacin + Silver Sulfadiazine210 reports · 71% seriousEnrofloxacin + Ketoconazole + Triamcinolone95 reports · 29% serious