Altrenogest Oily Solution
233 adverse event reports submitted to the FDA
Important: Adverse event reports do not establish that a drug caused or contributed to the event. Consult your veterinarian before making treatment decisions.
233
Total Reports
3
Deaths Reported
130.0%
Death Rate
Active Ingredients
Altrenogest Oily Solution
Administration Routes
UnknownOralTopicalIntravenousOther
Species Affected
Unknown 99
Horse 68
Human 48
Pig 12
Other Mammals 2
Other Porcine 1
Dog 1
Cat 1
Other 1
Most Affected Breeds
Unknown 151
Quarter Horse 24
Horse (unknown) 9
Thoroughbred 9
Pig (unknown) 5
Commercial hybrid 4
Crossbred Equine/horse 4
Hanovarian 4
Warmblood (unspecified) 3
Crossbred Porcine/Pig 2
Most Reported Reactions
Containers, Leaking 66
Seal, Abnormal 34
Lack of efficacy - NOS 25
Accidental exposure 20
Closure, Abnormal 20
INEFFECTIVE, ESTRUS SUPPRESSIO 17
Drug administration duration too long 16
Product problem 14
Caps, Abnormal 12
Headache 11
Mammary gland disorder NOS 11
Mammary gland oedema 10
Outcome Breakdown
Ongoing
83 (61.9%)
Outcome Unknown
27 (20.1%)
Recovered/Normal
19 (14.2%)
Recovered with Sequela
2 (1.5%)
Died
2 (1.5%)
Euthanized
1 (0.7%)
Source: FDA Center for Veterinary Medicine — Adverse Event Reports. Data reflects voluntary submissions and may not represent actual incidence rates.