Reaction profile

The FDA adverse-event record for ear canal erythema

328 FDA adverse-event reports reference ear canal erythema (VeDDRA 2566). Plate codes and volume neighbourhood below; species, breeds, and drugs follow.

#836 of 2,481
by report volume (all reactions)
328
reports citing this reaction
1.8%
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. Ear canal erythema has 328 reports now versus 321 in that prior snapshot: 7 more (2.2%).

Report change
+7
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 Ear canal erythema changes

FDA AER · VeDDRA plate

Code 2566 VOL-LOW

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

  • VOL-LOW 328 reports
  • DEATH-LOW 1.8%
  • MID-PACK #836/2481
  • PHOTO-FINISH Hepatic disorder NOS
  • SPECIES-DOG Dog · 301
  • DRUG-LEAD Florfenicol + Mom… · 94
  • DESK-WIDE 20 breeds
  • BOOK-FULL 8/8 fields

Nearest volume peer: Hepatic disorder NOS (±1 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.

Report-volume neighbourhood around Ear canal erythema

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

Vomiting · highest174348Hepatic disorder NOS · near329Lipaemia · near329Ear canal erythema · this re…328Irregular breathing · near326MICROORGANISMS, URINE · near325Urinary tract neoplas… · low…10
FDA AER report volume · neighbourhood around Ear canal erythema

Ear canal erythema: low death-coded share in the FDA AER plate

Signature read: Ear canal erythema's 1.8% death-coded share is among the lowest in the openFDA reaction corpus. Report volume sits in the middle third of the reaction corpus. Death-coded share is lower-third: 6 of 328 reports (1.8% of named reports). Nearest volume peer: Hepatic disorder NOS (±1 reports). Lead species Dog (301). Lead co-reported drug Florfenicol + Mometasone Furoate + Terbinafine Hydrochloride (94).

Read these counts as reporting volume, not risk: per our methodology, Lead co-reported drug Florfenicol + Mometasone Furoate + Terbinafine 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 301
Cat 27

Breeds Most Affected

Retriever - Golden 35
Retriever - Labrador 30
Crossbred Canine/dog 22
Domestic Shorthair 17
Shepherd Dog - German 14
Shih Tzu 13
Poodle - Standard 11
Maltese 9
Pit Bull 9
Terrier - Yorkshire 9

Associated Drugs

Florfenicol + Mometasone Furoate + Terbinafine Hydrochloride 94
Genta/Momet/Clotrim Ear Oint 30
Florfenicol + Mometasone Furoate + Terbinafine 23
Prednisone 21
Betamethasone + Florfenicol + Terbinafine 19
Afoxolaner 19
Gabapentin 19
Oclacitinib Maleate 17
Milbemycin Oxime + Spinosad 17
Carprofen 14
Florfenicol/Terbinafine Hydrochloride/Mometasone Furoate 13
Dexamethasone + Neomycin Sulfate + Thiabendazole 13
Orbiflox/Momet/Posaco Eardrops 12
Diphenhydramine 10
Moxidectin 10
Maropitant Citrate 10
Ear Cleaner 9
Salicylic Acid 9
Milbemycin Oxime + Praziquantel 9
Enrofloxacin + Silver Sulfadiazine 8

Nationwide reactions with similar profiles

Two openFDA-derived peer sets for Ear canal erythema, 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 (328 here).

Similar death-coded share

Nearest other reactions by death-coded share (1.8% 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 Ear canal erythema (#836 of 2,481 by report volume); death-coded 1.8%. PlainBreed reaction plate · death-coded share stamp 1.8% · 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 →