Reaction profile

The FDA adverse-event record for oral discomfort

39 FDA adverse-event reports reference oral discomfort (VeDDRA 1657). See the species, breeds, and drugs most associated with it below.

39
reports citing this reaction
12.8%
death-coded share
Human
most-affected species
Selamectin
most-associated drug
Verify with FDA CVM →
39
Total Reports
5
Deaths
12.8%
Death Rate

Species Most Affected

Human 14
Dog 12
Cat 9
Horse 4

Breeds Most Affected

Unknown 14
Domestic Shorthair 6
Retriever - Labrador 2
Horse (unknown) 2
Terrier - Fox (unspecified) 1
Russian 1
Terrier - Yorkshire 1
Corgi - Welsh Cardigan 1
Chihuahua 1
Quarter Horse 1

Associated Drugs

Selamectin 4
Imidacloprid + Moxidectin 3
Oclacitinib Maleate 3
Meloxicam 3
Buprenorphine 3
Cyclosporine A 2
Tramadol 2
Milbemycin Oxime + Spinosad 2
Ivermectin(1.55%)/Praziquantel(7.75%) Paste 2
Diazepam 2
Cyclosporine 2
Ivermectin + Praziquantel 2
Praziquantel 2
Antibiotic (Unknown) 2
Fluralaner 13.64% 12-Week Chew 2
Selamectin;Sarolaner 2
Mirtazapine 2
Metoclopramide 2
Pyrantel Pamoate 1
Hydroxyzine 1

Oral discomfort Reaction Insights

39 reports name Oral discomfort; 5 recorded a death outcome (12.8% of reported events, not a population-level mortality rate). VeDDRA code: 1657.

By species: Human (14 reports), Dog (12 reports), Cat (9 reports). By breed: Unknown (14), Domestic Shorthair (6), Retriever - Labrador (2).

Most co-reported drugs: Selamectin (4 reports), Imidacloprid + Moxidectin (3 reports), Oclacitinib Maleate (3 reports), Meloxicam (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.