Reaction profile

The FDA adverse-event record for loss of hearing

1,576 FDA adverse-event reports reference loss of hearing (VeDDRA 1591). See the species, breeds, and drugs most associated with it below.

1,576
reports citing this reaction
3.3%
death-coded share
Dog
most-affected species
Clotrimazole + Gentamicin + Mometasone
most-associated drug
Verify with FDA CVM →
1,576
Total Reports
52
Deaths
3.3%
Death Rate

Species Most Affected

Dog 1,515
Cat 58
Rat 1
Human 1
Unknown 1

Breeds Most Affected

Retriever - Labrador 133
Terrier - Yorkshire 79
Crossbred Canine/dog 78
Unknown 69
Chihuahua 64
Dog (unknown) 63
Pit Bull 60
Maltese 54
Retriever - Golden 52
Pug 51

Associated Drugs

Clotrimazole + Gentamicin + Mometasone 228
Gentamicin Sulfate + Hydrocortisone Aceponate + Miconazole Nitrate 208
Miconazole + Polymyxin B + Prednisolone 193
Betamethasone + Florfenicol + Terbinafine 112
Genta/Momet/Clotrim Ear Oint 85
Florfenicol + Mometasone Furoate + Terbinafine Hydrochloride 85
Bedinvetmab 73
Carprofen 62
Oclacitinib Maleate 60
Orbiflox/Momet/Posaco Eardrops 52
Neomycin Sulfate Equivalent To Neomycin Base + Nystatin + Thiostrepton + Triamcinolone Acetonide 45
Miconazole Nitrate + Polymyxin B Sulfate + Prednisolone Acetate 42
Hydrocortisone Aceponate/Miconazole Nitrate/Gentamicin Sulfate 39
Florfenicol, Terbinafine, Betamethasone Acetate 38
Prednisone 37
Gabapentin 37
Ear Cleaner (Unknown) 31
Gentamicin Sulfate, Usp; Mometasone Furoate Anhydrous, Usp; Clotrimazole, Usp 31
Milbemycin Oxime + Spinosad 23
Afoxolaner 23

Loss of hearing Reaction Insights

1,576 reports name Loss of hearing; 52 recorded a death outcome (3.3% of reported events, not a population-level mortality rate). VeDDRA code: 1591.

By species: Dog (1,515 reports), Cat (58 reports), Rat (1 reports). By breed: Retriever - Labrador (133), Terrier - Yorkshire (79), Crossbred Canine/dog (78).

Most co-reported drugs: Clotrimazole + Gentamicin + Mometasone (228 reports), Gentamicin Sulfate + Hydrocortisone Aceponate + Miconazole Nitrate (208 reports), Miconazole + Polymyxin B + Prednisolone (193 reports), Betamethasone + Florfenicol + Terbinafine (112 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.