Reaction profile

The FDA adverse-event record for gastric distension

176 FDA adverse-event reports reference gastric distension (VeDDRA 1092). Plate codes and volume neighbourhood below; species, breeds, and drugs follow.

#1103 of 2,481
by report volume (all reactions)
176
reports citing this reaction
34.1%
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. Gastric distension has 176 reports now versus 173 in that prior snapshot: 3 more (1.7%).

Report change
+3
Death-coded reports
+2
Death-coded share
+0.6 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 Gastric distension changes

FDA AER · VeDDRA plate

Code 1092 VOL-LOW

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

  • VOL-LOW 176 reports
  • DEATH-HOT 34.1%
  • MID-PACK #1103/2481
  • PHOTO-FINISH Agonal breathing
  • SPECIES-DOG Dog · 149
  • DRUG-LEAD Maropitant Citrate · 48
  • DESK-WIDE 20 breeds
  • BOOK-FULL 8/8 fields

Nearest volume peer: Agonal breathing (±0 reports)

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

Report-volume neighbourhood around Gastric distension

Highest and lowest poles plus nearest volume peers, not a full 2,500-reaction corpus board reprint.

Vomiting · highest174348Agonal breathing · near176Ear canal disorder · near176Fluid in thorax · near176Gastric distension · this re…176Lack of awareness · near176Urinary tract neoplas… · low…10
FDA AER report volume · neighbourhood around Gastric distension

Gastric distension: high death-coded share in the FDA AER plate

Signature read: Gastric distension's 34.1% death-coded share is among the highest in the openFDA reaction corpus. Report volume sits in the middle third of the reaction corpus. Death-coded share is upper-third: 60 of 176 reports (34.1% of named reports). Nearest volume peer: Agonal breathing (±0 reports). Lead species Dog (149). Lead co-reported drug Maropitant Citrate (48).

Read these counts as reporting volume, not risk: per our methodology, A high death-coded share in FDA filings does not prove causation; co-reporting is voluntary temporal association only. Browse the full reactions index or the about page for how PlainBreed frames FDA CVM extracts.

Species Most Affected

Dog 149
Cat 22
Horse 4
Cattle 1

Breeds Most Affected

Retriever - Labrador 23
Retriever - Golden 14
Chihuahua 7
Domestic Shorthair 6
Rottweiler 6
Crossbred Canine/dog 6
Domestic Mediumhair 5
Shih Tzu 5
Dachshund (unspecified) 4
Domestic Longhair 4

Associated Drugs

Maropitant Citrate 48
Carprofen 23
Ondansetron 18
Milbemycin Oxime + Spinosad 17
Afoxolaner 15
Meloxicam 12
Propofol 12
Famotidine 11
Butorphanol 11
Buprenorphine 11
Rabies Vaccine 10
Midazolam 10
Isoflurane 9
Deracoxib 9
Cefovecin 8
Enrofloxacin 8
Atropine 7
Ivermectin + Pyrantel As Pamoate Salt 7
Fluralaner 13.64% 12-Week Chew 7
Maropitant 7

Nationwide reactions with similar profiles

Two openFDA-derived peer sets for Gastric distension, 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 (176 here).

Similar death-coded share

Nearest other reactions by death-coded share (34.1% 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 Gastric distension (#1103 of 2,481 by report volume); death-coded 34.1%. PlainBreed reaction plate · death-coded share stamp 34.1% · 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 →