Drug profile

The FDA adverse-event record for Deslorelin Acetate

250 FDA reports name Deslorelin Acetate, a high-volume drug in the CVM extract. Species, reactions, and outcomes follow.

#480 of 2,679
by report volume (all drugs)
250
adverse-event reports
3.2%
death-coded share
Unknown
most-reported species

Corpus placement

According to the FDA Center for Veterinary Medicine openFDA adverse-event extract, Deslorelin Acetate ranks #480 of 2679 by total reports (250) and #899 of 1130 by death-coded share (3.2%). National dual: Milbemycin Oxime + Spinosad is #1 of 2679 drugs by total adverse-event reports (149,624) at death-coded-share rank 965 of 1130 drugs with at least 50 reports (2.3%); separately, Atlantic Salmon Transgenic Whole (Opafp-Ghc2 Rdna Construct Inserted Into The A-Locus In The Eo-1A Lineage) is #1 highest death-coded share at 97.8% (report rank #821).

149,624
Milbemycin Oxime + Spinosad reports (#1)
97.8%
Atlantic Salmon Transgenic Whole (Opafp-Ghc2 Rdna Construct Inserted Into The A-Locus In The Eo-1A Lineage) death share (#1)
#480
This drug, reports of 2679
#899
This drug, death share of 1130

Report volume reflects how common a breed or drug is and how often owners and vets file — not actual risk. Death-coded share ranks are limited to entries with enough reports to be meaningful. The two maps do not agree at #1.

Release-over-release change

What changed in the latest FDA data snapshot

PlainBreed reconstructed the prior snapshot from dated openFDA partitions through 2025 Q4, then compared it with the 2026-07-27 openFDA export. Deslorelin Acetate has 250 reports now versus 249 in that prior snapshot: 1 more (0.4%).

Report change
+1
Death-coded reports
+0
Death-coded share
−0.0 pts

This compares reported-event counts in two source snapshots. It does not establish a change in real-world risk, product safety, or disease incidence.

Subscribe to Deslorelin Acetate changes

Signature read: 250 reports place Deslorelin Acetate in the upper third of FDA AER volume (#480 of 2,679).

Important: Adverse event reports do not establish that a drug caused or contributed to the event. Consult your veterinarian before making treatment decisions.
250
Total Reports
8
Deaths Reported
3.2%
Death-coded share of reports

Active Ingredients

Deslorelin Acetate

Administration Routes

UnknownSubcutaneousParenteralIntramuscular

Species Affected

Unknown 139
Ferret 89
Horse 12
Chicken 4
Cat 3
Dog 2
Rat 1

Most Affected Breeds

Unknown 228
Horse (unknown) 5
Chicken (unknown) 4
Quarter Horse 4
Domestic Shorthair 2
Dog (unknown) 2
Arab 1
Hanovarian 1
Mixed (Horse) 1
Cat (unknown) 1

Most Reported Reactions

Implant, Abnormal 68
Lack of efficacy - NOS 51
Difficulty of Use 45
Product defect, product difficult to use/handle (see also 'Drug device difficult to use/handle') 34
Appearance, Abnormal 24
Administration device NOS, malfunction 24
Dispenser, Abnormal 12
Administration device NOS, abnormal 12
INEFFECTIVE, OVULATION 9
Lack of hair regrowth 8
Implant, Damaged 8
Product Defect, General 6

Outcome Breakdown

Outcome Unknown
73 (68.9%)
Recovered/Normal
23 (21.7%)
Euthanized
4 (3.8%)
Died
4 (3.8%)
Ongoing
1 (0.9%)
Recovered with Sequela
1 (0.9%)

Deslorelin Acetate: low death-coded share in the FDA AER row

Read these counts as reporting volume, not risk: per our methodology, a widely-prescribed drug will rack up more raw FDA reports in a given year than a rarely-used one at an identical true rate, so we recommend comparing within similar-exposure products rather than across the full 2025 catalog.

High-volume nationwide drug peers

Two openFDA-derived peer sets for Deslorelin Acetate, both floored at ≥50 reports so the neighborhoods stay in the advertised mass.

Similar death-coded share

Nearest other drugs by death-coded share (3.2% here), distinct from the volume row.

What to do with this drug

A report does not prove a drug caused the reaction; consult a veterinarian before acting on this data.

Source: FDA Center for Veterinary Medicine openFDA Animal & Veterinary Adverse Events (CVM AER) · 2025

openFDA Animal & Veterinary Adverse Events (FDA CVM) for Deslorelin Acetate (#480 of 2,679 by report volume); death-coded 3.2%. PlainBreed drug row · report volume stamp 250 · vintage 2025.

Informational only. FDA adverse-event reports are voluntary and do not prove causation; consult a veterinarian before acting on them. Verify with FDA CVM →