Reaction profile

The FDA adverse-event record for application site rash

349 FDA adverse-event reports reference application site rash (VeDDRA 1331). See the species, breeds, and drugs most associated with it below.

349
reports citing this reaction
0.3%
death-coded share
Cat
most-affected species
Selamectin;Sarolaner
most-associated drug
Verify with FDA CVM →
349
Total Reports
1
Deaths
0.3%
Death Rate

Species Most Affected

Cat 226
Dog 107
Human 15
Cattle 1

Breeds Most Affected

Domestic Shorthair 142
Cat (other) 21
Unknown 16
Domestic Mediumhair 16
Retriever - Labrador 10
Crossbred Canine/dog 10
Chihuahua 8
Siamese 8
Pit Bull 8
Cat (unknown) 6

Associated Drugs

Selamectin;Sarolaner 79
Selamectin 59
Imidacloprid + Moxidectin 53
Fluralaner Spot-On Solution 48
Fluralaner/Moxidectin Spot-On 17
Emodepside + Praziquantel 16
Flumethrin-Imidacloprid 14
Imidacloprid, Flumethrin 8
Ivermectin + Pyrantel As Pamoate Salt 7
Eprinomectin + Esafoxolaner + Praziquantel 7
Fipronil 10%/S Methoprene 9% Spot On 5
Cefpodoxime Proxetil 4
Methylprednisolone Acetate 4
Cefovecin Sodium 4
Cefovecin 4
Mirtazapine 4
Flumethrin,Imidacloprid 4
Ivermectin/Pyrantel Pamoate Chewable 272Mcg/652Mg 3
Fipronil 9.8%/S-Methoprene 8.8%/ Amitraz 22.1% Spot-On 3
Chlorhexidine Gluconate + Phytosphingosine Salicyloyl 3

Application site rash Reaction Insights

349 reports name Application site rash; 1 recorded a death outcome (0.3% of reported events, not a population-level mortality rate). VeDDRA code: 1331.

By species: Cat (226 reports), Dog (107 reports), Human (15 reports). By breed: Domestic Shorthair (142), Cat (other) (21), Unknown (16).

Most co-reported drugs: Selamectin;Sarolaner (79 reports), Selamectin (59 reports), Imidacloprid + Moxidectin (53 reports), Fluralaner Spot-On Solution (48 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.