Reaction profile

The FDA adverse-event record for swollen ear canal

89 FDA adverse-event reports reference swollen ear canal (VeDDRA 2571). Plate codes and volume neighbourhood below; species, breeds, and drugs follow.

#1451 of 2,481
by report volume (all reactions)
89
reports citing this reaction
1.1%
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. Swollen ear canal has 89 reports now versus 85 in that prior snapshot: 4 more (4.7%).

Report change
+4
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 Swollen ear canal changes

FDA AER · VeDDRA plate

Code 2571 VOL-LOW

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

  • VOL-LOW 89 reports
  • DEATH-LOW 1.1%
  • MID-PACK #1451/2481
  • PHOTO-FINISH Cervical pain
  • SPECIES-DOG Dog · 80
  • DRUG-LEAD Florfenicol + Mom… · 22
  • DESK-WIDE 20 breeds
  • BOOK-FULL 8/8 fields

Nearest volume peer: Cervical pain (±0 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 Swollen ear canal

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

Vomiting · highest174348Cervical pain · near89Hepato-biliary disord… · near89Injection site self t… · near89Liver nodules · near89Swollen ear canal · this rea…89Urinary tract neoplas… · low…10
FDA AER report volume · neighbourhood around Swollen ear canal

Swollen ear canal: low death-coded share in the FDA AER plate

Signature read: Swollen ear canal's 1.1% 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: 1 of 89 reports (1.1% of named reports). Nearest volume peer: Cervical pain (±0 reports). Lead species Dog (80). Lead co-reported drug Florfenicol + Mometasone Furoate + Terbinafine Hydrochloride (22).

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 80
Cat 9

Breeds Most Affected

Retriever - Labrador 8
Crossbred Canine/dog 6
Retriever - Golden 6
Domestic Shorthair 5
Dog (unknown) 4
Bulldog - French 4
Spaniel - Cocker American 3
Terrier - Yorkshire 3
Maltese 3
Shih Tzu 3

Associated Drugs

Florfenicol + Mometasone Furoate + Terbinafine Hydrochloride 22
Prednisone 7
Genta/Momet/Clotrim Ear Oint 7
Florfenicol + Mometasone Furoate + Terbinafine 7
Gabapentin 5
Betamethasone + Florfenicol + Terbinafine 4
Miconazole + Polymyxin B + Prednisolone 4
Salicylic Acid 4
Maropitant Citrate 4
Milbemycin Oxime + Praziquantel 4
Rabies Vaccine 4
Trilostane 3
Florfenicol/Terbinafine Hydrochloride/Mometasone Furoate 3
Orbiflox/Momet/Posaco Eardrops 3
Dexamethasone + Neomycin Sulfate + Thiabendazole 3
Ketoconazole 3
Afoxolaner 3
Milbemycin Oxime + Spinosad 3
Diphenhydramine 3
Lotilaner 3

Nationwide reactions with similar profiles

Two openFDA-derived peer sets for Swollen ear canal, 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 (89 here).

Similar death-coded share

Nearest other reactions by death-coded share (1.1% 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 Swollen ear canal (#1451 of 2,481 by report volume); death-coded 1.1%. PlainBreed reaction plate · death-coded share stamp 1.1% · 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 →