Reaction profile

The FDA adverse-event record for epiphora

298 FDA adverse-event reports reference epiphora (VeDDRA 436). See the species, breeds, and drugs most associated with it below.

298
reports citing this reaction
7.0%
death-coded share
Dog
most-affected species
Milbemycin Oxime + Spinosad
most-associated drug
Verify with FDA CVM →
298
Total Reports
21
Deaths
7.0%
Death Rate

Species Most Affected

Dog 166
Cat 94
Human 23
Cattle 10
Horse 5

Breeds Most Affected

Domestic Shorthair 51
Unknown 23
Crossbred Canine/dog 17
Chihuahua 13
Retriever - Labrador 12
Shih Tzu 11
Domestic Longhair 11
Terrier - Yorkshire 8
Maltese 7
Cat (unknown) 7

Associated Drugs

Milbemycin Oxime + Spinosad 27
Imidacloprid + Moxidectin 23
Unspecified 17
Spinosad 15
Selamectin 14
Cyclosporine 9
Maropitant Citrate 9
Afoxolaner 9
Cefovecin Sodium 8
Florfenicol + Mometasone Furoate + Terbinafine Hydrochloride 8
Ivermectin 7
Rabies Vaccine 7
Bordetella Vaccine 7
Meloxicam 6
Moxidectin 6
Prednisone 6
Carprofen 6
Fluralaner Chew Tablets 6
Selamectin;Sarolaner 6
Dexmedetomidine Hydrochloride 5

Epiphora Reaction Insights

298 reports name Epiphora; 21 recorded a death outcome (7.0% of reported events, not a population-level mortality rate). VeDDRA code: 436.

By species: Dog (166 reports), Cat (94 reports), Human (23 reports). By breed: Domestic Shorthair (51), Unknown (23), Crossbred Canine/dog (17).

Most co-reported drugs: Milbemycin Oxime + Spinosad (27 reports), Imidacloprid + Moxidectin (23 reports), Unspecified (17 reports), Spinosad (15 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.