Metronidazole side effects in dogs
3,090 reports sent to the FDA between 1998 and 2026 involve Metronidazole in dogs. The most reported problems were vomiting, diarrhea, loss of appetite. 55% were marked serious, and where it was recorded, signs eased after stopping the medicine in 43% of cases.
3,090Reports
55%Marked serious
2.1%Only medicine involved
24%Recovered
20%Died or euthanised
Sponsored
About this medicine
Metronidazole treats some bacterial and parasitic gut 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 (2,518 reports).
How the animals did
Breeds named most often
Popular breeds appear more often because there are more of them.
- Labrador Retriever 270 reports
- German Shepherd Dog 118 reports
- Yorkshire Terrier 118 reports
- Golden Retriever 111 reports
- Shih Tzu 71 reports
- Chihuahua 63 reports
- French Bulldog 57 reports
- Boxer (german Boxer) 49 reports
- Miniature Schnauzer 49 reports
- Bull - American Pit Terrier 42 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% seriousAmoxicillin1,349 reports · 49% seriousEnrofloxacin + Silver Sulfadiazine210 reports · 71% seriousEnrofloxacin + Ketoconazole + Triamcinolone95 reports · 29% serious