Reaction profile

The FDA adverse-event record for otitis externa

1,289 FDA reports name otitis externa, a high-volume reaction in the CVM extract (VeDDRA 356). Plate stamps and neighbourhood peers follow.

#319 of 2,481
by report volume (all reactions)
1,289
reports citing this reaction
7.4%
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. Otitis externa has 1,289 reports now versus 1,264 in that prior snapshot: 25 more (2.0%).

Report change
+25
Death-coded reports
+2
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 Otitis externa changes

FDA AER · VeDDRA plate

Code 356 VOL-MID

VOL-MID · DEATH-PAR · UPPER-Q · PHOTO-FINISH · SPECIES-DOG · DRUG-LEAD · DESK-WIDE · BOOK-FULL

  • VOL-MID 1,289 reports
  • DEATH-PAR 7.4%
  • UPPER-Q #319/2481
  • PHOTO-FINISH Bruising
  • SPECIES-DOG Dog · 1,169
  • DRUG-LEAD Milbemycin Oxime… · 280
  • DESK-WIDE 20 breeds
  • BOOK-FULL 8/8 fields

Nearest volume peer: Bruising (±1 reports)

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

High-volume neighbourhood around Otitis externa

Upper-third volume poles plus nearest peers, not a full reaction corpus board reprint.

Vomiting · highest174348Listless · near1309Otitis externa · this reacti…1289Bruising · near1288Defect Unknown/Not Sp… · near1284Application site infl… · near1270Urinary tract neoplas… · low…10
FDA AER report volume · neighbourhood around Otitis externa

Otitis externa: low death-coded share in the FDA AER plate

Signature read: 1,289 reports place Otitis externa in the upper third of FDA AER volume (#319 of 2,481). Report volume is upper-third scale: 1,289 named reports in the openFDA extract. Death-coded share is lower-third: 96 of 1,289 reports (7.4% of named reports). Nearest volume peer: Bruising (±1 reports). Lead species Dog (1,169). Lead co-reported drug Milbemycin Oxime + Spinosad (280).

Read these counts as reporting volume, not risk: per our methodology, Lead co-reported drug Milbemycin Oxime + Spinosad 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 1,169
Cat 117
Rabbit 3

Breeds Most Affected

Retriever - Labrador 182
Retriever - Golden 88
Crossbred Canine/dog 87
Domestic Shorthair 74
Shih Tzu 48
Terrier - Yorkshire 40
Shepherd Dog - German 40
Boxer (German Boxer) 31
Chihuahua 28
Pit Bull 27

Associated Drugs

Milbemycin Oxime + Spinosad 280
Oclacitinib Maleate 124
Afoxolaner 91
Florfenicol + Mometasone Furoate + Terbinafine Hydrochloride 75
Fluralaner Chew Tablets 73
Milbemycin Oxime + Praziquantel 67
Cyclosporine 58
Carprofen 57
Spinosad 50
Trilostane 46
Gabapentin 40
Prednisone 39
Betamethasone + Florfenicol + Terbinafine 39
Maropitant Citrate 37
Anti-Il31 Mab Mcs Lot #1283563 34
Bedinvetmab 34
Enrofloxacin 33
Fluralaner 13.64% 12-Week Chew 30
Moxidectin 29
Imidacloprid + Moxidectin 28

Nationwide reactions with similar profiles

Two openFDA-derived peer sets for Otitis externa, 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 (1,289 here).

Similar death-coded share

Nearest other reactions by death-coded share (7.4% 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 Otitis externa (#319 of 2,481 by report volume); death-coded 7.4%. PlainBreed reaction plate · report volume stamp 1,289 · 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 →