Deslorelin — FDA Animal & Veterinary Adverse Event (ADE) Reports
Source: openFDA animalandveterinary/event.json, the FDA Center for Veterinary Medicine (CVM) adverse event report database. Data pulled 2026-07-22. Counts are report-level: one report may list multiple reactions and multiple animals, so figures are not additive and do not imply causation. Deslorelin is a active ingredient.
Total reports
Deslorelin: 390
Reports by species (top entries)
- Ferret 89
- Horse 80
- Chicken 4
- Cat 3
- Dog 2
- Rat 1
Top reported reactions (VEDDRA terms, top entries)
- Implant, Abnormal 88
- Lack of efficacy - NOS 51
- Difficulty of Use 45
- Lack of heat 36
- Product defect, product difficult to use/handle (see also 'Drug device difficult to use/handle') 34
- INEFFECTIVE, OVULATION 29
- Administration device NOS, malfunction 24
- Appearance, Abnormal 24
- Applicator, Abnormal 24
- Product syringe issue 20
Source JSON: pdf-raw/ade/ade_active_ingredients_2026-07-22_b15.json (openFDA animalandveterinary/event.json, pulled 2026-07-22).