Reaction profile

The FDA adverse-event record for congestion of mucous membrane

104 FDA adverse-event reports reference congestion of mucous membrane (VeDDRA 1002). Plate codes and volume neighbourhood below; species, breeds, and drugs follow.

#1373 of 2,481
by report volume (all reactions)
104
reports citing this reaction
26.0%
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. Congestion of mucous membrane has 104 reports now versus 104 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 Congestion of mucous membrane changes

FDA AER · VeDDRA plate

Code 1002 VOL-LOW

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

  • VOL-LOW 104 reports
  • DEATH-HOT 26.0%
  • MID-PACK #1373/2481
  • PHOTO-FINISH Application site hot…
  • SPECIES-DOG Dog · 84
  • DRUG-LEAD Spinosad · 10
  • DESK-WIDE 20 breeds
  • BOOK-FULL 8/8 fields

Nearest volume peer: Application site hot spot (±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 Congestion of mucous membrane

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

Vomiting · highest174348Application site hot… · near104Congestion of mucous… · this…104Furunculosis · near104Hyperhidrosis · near104Lack of efficacy (myc… · near104Urinary tract neoplas… · low…10
FDA AER report volume · neighbourhood around Congestion of mucous membrane

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

Signature read: Congestion of mucous membrane's 26.0% 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: 27 of 104 reports (26.0% of named reports). Nearest volume peer: Application site hot spot (±0 reports). Lead species Dog (84). Lead co-reported drug Spinosad (10).

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 84
Cat 10
Horse 7
Human 3

Breeds Most Affected

Crossbred Canine/dog 8
Retriever - Labrador 8
Dog (unknown) 6
Retriever - Golden 6
Boxer (German Boxer) 5
Shepherd Dog - German 5
Terrier - Yorkshire 5
Unknown 4
Domestic Shorthair 4
Dachshund (unspecified) 3

Associated Drugs

Spinosad 10
Melarsomine Dihydrochloride Injection 10
Moxidectin 9
Meloxicam 5
Imidacloprid + Moxidectin 4
Afoxolaner 4
Melarsomine Dihydrochloride 4
Dexmedetomidine Hydrochloride 3
Ceftiofur 3
Cyclosporine 3
Isoflurane 3
Morphine 3
Propofol 3
Deracoxib 3
Fluralaner Chew Tablets 3
Ivermectin + Pyrantel As Pamoate Salt 3
Florfenicol + Mometasone Furoate + Terbinafine Hydrochloride 3
Maropitant 2
Nitenpyram 2
Melarsomine Dihydrocloride Injectable 25Mg/Ml 2

Nationwide reactions with similar profiles

Two openFDA-derived peer sets for Congestion of 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 (104 here).

Similar death-coded share

Nearest other reactions by death-coded share (26.0% 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 Congestion of mucous membrane (#1373 of 2,481 by report volume); death-coded 26.0%. PlainBreed reaction plate · death-coded share stamp 26.0% · 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 →