Altrenogest Oily side effects in horses
75 reports sent to the FDA between 2014 and 2026 involve Altrenogest Oily in horses. The most reported problems were drug administration duration too long, mammary gland disorder, swelling. 47% were marked serious, and where it was recorded, signs eased after stopping the medicine in 100% of cases.
75Reports
47%Marked serious
96%Only medicine involved
21%Recovered
1.3%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 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 (27 reports).
How the animals did
Breeds named most often
Popular breeds appear more often because there are more of them.
- Quarter Horse 25 reports
- Horse 9 reports
- Thoroughbred 9 reports
- American Standardbred 6 reports
- Hanovarian 4 reports
- Warmblood 3 reports
- Paint 2 reports
- Morgan 1 reports
- Welsh Pony 1 reports
- Holsteiner 1 reports
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