Reaction profile

The FDA adverse-event record for ear flap haemorrhage

22 FDA adverse-event reports reference ear flap haemorrhage (VeDDRA 352). See the species, breeds, and drugs most associated with it below.

22
reports citing this reaction
4.5%
death-coded share
Dog
most-affected species
Oclacitinib Maleate
most-associated drug
Verify with FDA CVM →
22
Total Reports
1
Deaths
4.5%
Death Rate

Species Most Affected

Dog 19
Cat 3

Breeds Most Affected

Retriever - Labrador 2
Domestic Shorthair 2
Boxer (German Boxer) 2
Shepherd Dog - German 2
Retriever (unspecified) 1
Siamese 1
Chow Chow 1
Mastiff 1
Cattle Dog - Australian (blue heeler, red heeler, Queensland cattledog) 1
Bulldog - American 1

Associated Drugs

Oclacitinib Maleate 4
Milbemycin Oxime + Spinosad 3
Spinosad 2
Selamectin 2
Carprofen 2
Afoxolaner 2
Florfenicol + Mometasone Furoate + Terbinafine Hydrochloride 2
Prednisolone; Trimeprazine Tartrate 1
Moxidectin 1
Gentamicin, Mometasone Furoate, And Clotrimazole 1
Triamcinolone Acetonide 0.147 Mg/G 1
Famotidine 1
Ivermectin/Pyrantel Pamoate Chewable 68Mcg/163Mg 1
Recombitek Lyme - 2126.R0 1
Cyclosporine 1
Imidacloprid + Moxidectin 1
Flumethrin-Imidacloprid 1
Insulin Injectable Vial 1
Orbiflox/Momet/Posaco Eardrops 1
Enrofloxacin 1

Ear flap haemorrhage Reaction Insights

22 reports name Ear flap haemorrhage; 1 recorded a death outcome (4.5% of reported events, not a population-level mortality rate). VeDDRA code: 352.

By species: Dog (19 reports), Cat (3 reports). By breed: Retriever - Labrador (2), Domestic Shorthair (2), Boxer (German Boxer) (2).

Most co-reported drugs: Oclacitinib Maleate (4 reports), Milbemycin Oxime + Spinosad (3 reports), Spinosad (2 reports), Selamectin (2 reports).

Read these counts as reporting volume, not risk: per our methodology, co-reporting reflects temporal association captured in voluntary submissions, not proof that a drug caused this reaction. A widely-prescribed drug will rack up more raw co-reports at an identical true rate than a rarely-used one, so compare within similar-exposure products.

Source: FDA Center for Veterinary Medicine openFDA Animal & Veterinary Adverse Events (CVM AER) · 2025

Every figure on PlainBreed is rendered directly from FDA openFDA adverse event data, no number is typed in by an editor. This page draws directly on FDA openFDA data, no figure is typed in by an editor. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error.