Reaction profile

The FDA adverse-event record for third eyelid prolapse

147 FDA adverse-event reports reference third eyelid prolapse (VeDDRA 1104). See the species, breeds, and drugs most associated with it below.

147
reports citing this reaction
8.2%
death-coded share
Dog
most-affected species
Milbemycin Oxime + Spinosad
most-associated drug
Verify with FDA CVM →
147
Total Reports
12
Deaths
8.2%
Death Rate

Species Most Affected

Dog 83
Cat 63
Horse 1

Breeds Most Affected

Domestic Shorthair 43
Retriever - Labrador 14
Retriever - Golden 9
Domestic Longhair 5
Boxer (German Boxer) 5
Cat (unknown) 5
Crossbred Canine/dog 4
Domestic Mediumhair 4
Spaniel - Cocker American 3
Hound - Basset 3

Associated Drugs

Milbemycin Oxime + Spinosad 26
Florfenicol + Mometasone Furoate + Terbinafine Hydrochloride 22
Maropitant Citrate 12
Selamectin 7
Imidacloprid + Moxidectin 6
Rabies Vaccine 6
Oclacitinib Maleate 6
Florfenicol, Terbinafine, Betamethasone Acetate 6
Bedinvetmab 6
Spinosad 5
Afoxolaner 5
Milbemycin Oxime + Praziquantel 5
Prednisone 4
Moxidectin 4
Buprenorphine 4
Metronidazole 4
Florfenicol/Terbinafine Hydrochloride/Mometasone Furoate 4
Dexamethasone + Neomycin Sulfate + Thiabendazole 4
Pyrantel Pamoate;Sarolaner 4
Cefovecin 3

Third eyelid prolapse Reaction Insights

147 reports name Third eyelid prolapse; 12 recorded a death outcome (8.2% of reported events, not a population-level mortality rate). VeDDRA code: 1104.

By species: Dog (83 reports), Cat (63 reports), Horse (1 reports). By breed: Domestic Shorthair (43), Retriever - Labrador (14), Retriever - Golden (9).

Most co-reported drugs: Milbemycin Oxime + Spinosad (26 reports), Florfenicol + Mometasone Furoate + Terbinafine Hydrochloride (22 reports), Maropitant Citrate (12 reports), Selamectin (7 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.