Reaction profile

The FDA adverse-event record for priapism

Name: Priapism - FDA Animal Adverse Reaction
Creator: PlainBreed
License: https://open.fda.gov/license/

11 FDA reports name priapism, a lower-volume reaction in the CVM extract (VeDDRA 801). Plate stamps and neighbourhood peers follow.

#2439 of 2,481
by report volume (all reactions): 11
reports citing this reaction: 18.2%
death-coded share: Dog
most-affected species

Compiled by PlainBreed

Verify with FDA CVM →

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. Priapism has 11 reports now versus 11 in that prior snapshot: 0 the same number of (0.0%).

Report change: +0
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 Priapism changes

FDA AER · VeDDRA plate

Code 801 VOL-TRACE

VOL-TRACE · DEATH-ELEV · BOTTOM-DECILE · PHOTO-FINISH · SPECIES-DOG · DRUG-LEAD · DESK-WIDE · BOOK-FULL

VOL-TRACE 11 reports
DEATH-ELEV 18.2%
BOTTOM-DECILE #2439/2481
PHOTO-FINISH ABNORMAL PANCREATIC S…
SPECIES-DOG Dog · 6
DRUG-LEAD Detomidine Hydroc… · 3
DESK-WIDE 11 breeds
BOOK-FULL 8/8 fields

Nearest volume peer: ABNORMAL PANCREATIC SPECIFIC LIPASE (PLI) (±0 reports)

Instrument codes from this reaction’s FDA CVM adverse-event extract: volume band, death-coded share, corpus rank, photo-finish peer, lead species, lead drug, breed desk, and book completeness. Not a clinical diagnosis.

Lower-volume neighbourhood around Priapism

Lower-third volume poles plus nearest peers, not a full reaction corpus board reprint.

FDA AER report volume · neighbourhood around Priapism

What the FDA AER plate says about Priapism

Signature read: 11 reports place Priapism in the lower third of FDA AER volume (#2439 of 2,481). Report volume is lower-third scale: 11 named reports in the openFDA extract. 2 of 11 reports were death-coded (18.2% of named reports, not a population mortality rate). Nearest volume peer: ABNORMAL PANCREATIC SPECIFIC LIPASE (PLI) (±0 reports). Lead species Dog (6). Lead co-reported drug Detomidine Hydrochloride (3).

Read these counts as reporting volume, not risk: per our methodology, Lead co-reported drug Detomidine Hydrochloride appears in filings alongside this reaction; that is association, not causation. Browse the full reactions index or the about page for how PlainBreed frames FDA CVM extracts.

Species Most Affected

Dog 6

Horse 5

Breeds Most Affected

Mastiff 1

Boxer (German Boxer) 1

Retriever (unspecified) 1

Greyhound - Italian 1

Thoroughbred 1

Chihuahua 1

Horse (unknown) 1

Bulldog - American 1

Paint 1

Horse (other) 1

Associated Drugs

Detomidine Hydrochloride 3

Acepromazine Maleate 2

Prednisolone, Trimeprazine Tartrate 1

Pimobendan 1

Fluoxetine Hydrochloride 1

Dexmedetomidine Hydrochloride 1

Isoflurane 1

Hydromorphone Hcl 1

Ketamine 1

Diazepam 1

Diphenhydramine Hcl 1

Prednisolone; Trimeprazine Tartrate 1

Pergolide Mesylate 1

Mercaptobenzothiazole 1

What to do with this reaction

Read how death-coded share differs from a mortality rate before drawing conclusions. Understanding adverse events
Browse the full reaction directory to compare report counts across reaction types. All reactions

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 Priapism (#2439 of 2,481 by report volume); death-coded 18.2%. PlainBreed reaction plate · report volume stamp 11 · 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 →