Reaction profile

The FDA adverse-event record for hyperaemic mucous membrane

263 FDA adverse-event reports reference hyperaemic mucous membrane (VeDDRA 1006). Plate codes and volume neighbourhood below; species, breeds, and drugs follow.

#913 of 2,481
by report volume (all reactions)
263
reports citing this reaction
25.9%
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. Hyperaemic mucous membrane has 263 reports now versus 256 in that prior snapshot: 7 more (2.7%).

Report change
+7
Death-coded reports
+4
Death-coded share
+0.9 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 Hyperaemic mucous membrane changes

FDA AER · VeDDRA plate

Code 1006 VOL-LOW

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

  • VOL-LOW 263 reports
  • DEATH-HOT 25.9%
  • MID-PACK #913/2481
  • PHOTO-FINISH Impaired vocalisation
  • SPECIES-DOG Dog · 219
  • DRUG-LEAD Moxidectin · 45
  • DESK-WIDE 20 breeds
  • BOOK-FULL 8/8 fields

Nearest volume peer: Impaired vocalisation (±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 Hyperaemic mucous membrane

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

Vomiting · highest174348Hyperaemic mucous mem… · thi…263Impaired vocalisation · near263Licking at injection… · near263Attention-seeking beh… · near262Histiocytoma · near262Urinary tract neoplas… · low…10
FDA AER report volume · neighbourhood around Hyperaemic mucous membrane

Hyperaemic mucous membrane: high death-coded share in the FDA AER plate

Signature read: 68 death-coded reports is a heavy tail count for Hyperaemic mucous membrane in the CVM extract. Report volume sits in the middle third of the reaction corpus. Death-coded share is upper-third: 68 of 263 reports (25.9% of named reports). Nearest volume peer: Impaired vocalisation (±0 reports). Lead species Dog (219). Lead co-reported drug Moxidectin (45).

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 219
Horse 28
Cat 12
Human 2
Pig 1
Donkey 1

Breeds Most Affected

Retriever - Labrador 31
Crossbred Canine/dog 18
Terrier - Bull - American Pit 13
Domestic Shorthair 9
Boxer (German Boxer) 8
Thoroughbred 8
Quarter Horse 8
Shepherd Dog - German 7
Beagle 7
Shepherd Dog - Australian 6

Associated Drugs

Moxidectin 45
Maropitant Citrate 35
Carprofen 25
Milbemycin Oxime + Spinosad 19
Diphenhydramine Hcl 14
Dexamethasone 12
Spinosad 11
Isoflurane 11
Melarsomine Dihydrochloride 10
Ceftiofur Crystalline Free Acid 10
Gabapentin 10
Famotidine 9
Cefovecin 8
Afoxolaner 8
Oclacitinib Maleate 8
Ivermectin + Pyrantel As Pamoate Salt 8
Ivermectin 7
Propofol 7
Prednisone 7
Deracoxib 6

Nationwide reactions with similar profiles

Two openFDA-derived peer sets for Hyperaemic mucous membrane, 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 (263 here).

Similar death-coded share

Nearest other reactions by death-coded share (25.9% 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 Hyperaemic mucous membrane (#913 of 2,481 by report volume); death-coded 25.9%. PlainBreed reaction plate · death-coded report count stamp 68 · 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 →