Reaction profile

The FDA adverse-event record for haemorrhagic gastroenteritis

468 FDA reports name haemorrhagic gastroenteritis, a high-volume reaction in the CVM extract (VeDDRA 316). Plate stamps and neighbourhood peers follow.

#667 of 2,481
by report volume (all reactions)
468
reports citing this reaction
18.2%
death-coded share
Dog
most-affected species

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. Haemorrhagic gastroenteritis has 468 reports now versus 465 in that prior snapshot: 3 more (0.6%).

Report change
+3
Death-coded reports
+0
Death-coded share
−0.1 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 Haemorrhagic gastroenteritis changes

FDA AER · VeDDRA plate

Code 316 VOL-LOW

VOL-LOW · DEATH-ELEV · MID-PACK · PHOTO-FINISH · SPECIES-DOG · DRUG-LEAD · DESK-WIDE · BOOK-FULL

  • VOL-LOW 468 reports
  • DEATH-ELEV 18.2%
  • MID-PACK #667/2481
  • PHOTO-FINISH Appetite disorder NOS
  • SPECIES-DOG Dog · 454
  • DRUG-LEAD Milbemycin Oxime… · 52
  • DESK-WIDE 20 breeds
  • BOOK-FULL 8/8 fields

Nearest volume peer: Appetite disorder NOS (±0 reports)

Upper-third report volume drives the scale stamps on this plate; death-coded share and co-report peers follow. Not a clinical diagnosis.

High-volume neighbourhood around Haemorrhagic gastroenteritis

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

Vomiting · highest174348Papule · near469Appetite disorder NOS · near468Haemorrhagic gastroen… · thi…468Missing Labels · near466Alkaline urine · near465Urinary tract neoplas… · low…10
FDA AER report volume · neighbourhood around Haemorrhagic gastroenteritis

What the FDA AER plate says about Haemorrhagic gastroenteritis

Signature read: 85 death-coded reports is a heavy tail count for Haemorrhagic gastroenteritis in the CVM extract. Report volume is upper-third scale: 468 named reports in the openFDA extract. 85 of 468 reports were death-coded (18.2% of named reports, not a population mortality rate). Nearest volume peer: Appetite disorder NOS (±0 reports). Lead species Dog (454). Lead co-reported drug Milbemycin Oxime + Spinosad (52).

Read these counts as reporting volume, not risk: per our methodology, Lead co-reported drug Milbemycin Oxime + Spinosad 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 454
Cattle 7
Cat 5
Pig 1
Horse 1

Breeds Most Affected

Retriever - Labrador 41
Crossbred Canine/dog 30
Terrier - Yorkshire 29
Chihuahua 25
Dog (unknown) 19
Retriever - Golden 16
Beagle 12
Shepherd Dog - Australian 12
Shepherd Dog - German 11
Maltese 11

Associated Drugs

Milbemycin Oxime + Spinosad 52
Carprofen 52
Maropitant Citrate 36
Moxidectin 31
Milbemycin Oxime + Praziquantel 30
Grapiprant 29
Gabapentin 27
Ivermectin + Pyrantel As Pamoate Salt 26
Afoxolaner 23
Meloxicam 22
Oclacitinib Maleate 22
Fluralaner Chew Tablets 21
Metronidazole 18
Prednisone 16
Pyrantel Pamoate;Sarolaner 15
Bedinvetmab 15
Trilostane 14
Polysulfated Glycosaminoglycan 14
Famotidine 14
Sarolaner 14

Nationwide reactions with similar profiles

Two openFDA-derived peer sets for Haemorrhagic gastroenteritis, both floored at ≥50 reports so the neighborhoods stay in the advertised mass (the volume chart above is the unfloored photo-finish strip).

Similar report volume

Nearest other reactions by FDA report count (468 here).

Similar death-coded share

Nearest other reactions by death-coded share (18.2% here), distinct from the volume row.

What to do with this reaction

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 Haemorrhagic gastroenteritis (#667 of 2,481 by report volume); death-coded 18.2%. PlainBreed reaction plate · death-coded report count stamp 85 · 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 →