Reaction profile

The FDA adverse-event record for tympanic opacity

26 FDA adverse-event reports reference tympanic opacity (VeDDRA 2623). See the species, breeds, and drugs most associated with it below.

26
reports citing this reaction
0.0%
death-coded share
Dog
most-affected species
Florfenicol + Mometasone Furoate + Terbinafine Hydrochloride
most-associated drug
Verify with FDA CVM →
26
Total Reports
0
Deaths
0.0%
Death Rate

Species Most Affected

Dog 15
Cat 11

Breeds Most Affected

Domestic Shorthair 7
Retriever - Labrador 3
Retriever - Golden 3
Domestic Mediumhair 2
Mastiff 1
Dachshund - Miniature 1
Shiba Inu 1
Siamese 1
Terrier - Yorkshire 1
Siberian Husky 1

Associated Drugs

Florfenicol + Mometasone Furoate + Terbinafine Hydrochloride 8
Maropitant Citrate 6
Gabapentin 5
Ear Cleaner (Unknown) 3
Prednisone 3
Sarolaner 3
Enrofloxacin 3
Orbifloxacin, Mometasone, Posaconazole 3
Saline 3
Miconazole + Polymyxin B + Prednisolone 3
Isoflurane 2
Fluid Therapy 2
Tramadol 2
Buprenorphine 2
Florfenicol/Terbinafine Hydrochloride/Mometasone Furoate 2
Carprofen 2
Unknown Sedation 2
Meclizine 2
Mirtazapine 2
Salicylic Acid/Lactic Acid 2

Tympanic opacity Reaction Insights

26 reports name Tympanic opacity; 0 recorded a death outcome (0.0% of reported events, not a population-level mortality rate). VeDDRA code: 2623.

By species: Dog (15 reports), Cat (11 reports). By breed: Domestic Shorthair (7), Retriever - Labrador (3), Retriever - Golden (3).

Most co-reported drugs: Florfenicol + Mometasone Furoate + Terbinafine Hydrochloride (8 reports), Maropitant Citrate (6 reports), Gabapentin (5 reports), Ear Cleaner (Unknown) (3 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.