Enrofloxacin (Baytril) side effects in horses
80 reports sent to the FDA between 1998 and 2026 involve Enrofloxacin in horses. The most reported problems were swelling, allergic reaction, injection site reaction. 55% were marked serious, and where it was recorded, signs eased after stopping the medicine in 67% of cases.
About this medicine
Enrofloxacin treats bacterial infections.
Products with this ingredient include Baytril. The FDA hides brand names in its public data, so these reports cover every product with the same active ingredients.
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 horse 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 (44 reports).
How the animals did
Breeds named most often
Popular breeds appear more often because there are more of them.
- Horse 23 reports
- Quarter Horse 12 reports
- Thoroughbred 10 reports
- Arab 7 reports
- Warmblood 3 reports
- Tennessee Walking Horse 3 reports
- Standardbred 2 reports
- Paint 2 reports
- Dutch Warmblood 2 reports
- Mustang 2 reports