Xylazine side effects in horses
465 reports sent to the FDA between 1995 and 2026 involve Xylazine in horses. The most reported problems were collapse, seizures, breathing problems. 33% were marked serious, and where it was recorded, signs eased after stopping the medicine in 85% of cases.
465Reports
33%Marked serious
61%Only medicine involved
38%Recovered
16%Died or euthanised
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 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 (199 reports).
How the animals did
Breeds named most often
Popular breeds appear more often because there are more of them.
- Quarter Horse 119 reports
- Horse 116 reports
- Thoroughbred 23 reports
- Arab 13 reports
- Paint 13 reports
- Horse (other) 10 reports
- Standardbred 8 reports
- Appaloosa 7 reports
- American Saddlebred 5 reports
- Warmblood 5 reports
Other medicines for horses
Omeprazole1,939 reports · 16% seriousPergolide1,236 reports · 34% seriousCeftiofur1,214 reports · 38% seriousDetomidine991 reports · 33% seriousFlunixin Meglumine622 reports · 40% seriousKetamine567 reports · 22% seriousPolysulfated Glycosaminoglycan516 reports · 30% seriousHyaluronate Sodium419 reports · 33% serious
