Reaction profile

The FDA adverse-event record for skin swelling

273 FDA adverse-event reports reference skin swelling (VeDDRA 969). See the species, breeds, and drugs most associated with it below.

273
reports citing this reaction
7.7%
death-coded share
Dog
most-affected species
Moxidectin
most-associated drug
Verify with FDA CVM →
273
Total Reports
21
Deaths
7.7%
Death Rate

Species Most Affected

Dog 190
Cat 37
Human 23
Horse 9
Cattle 9
Rabbit 3
Pig 2

Breeds Most Affected

Unknown 24
Retriever - Labrador 22
Domestic Shorthair 20
Crossbred Canine/dog 17
Pit Bull 9
Terrier - Bull - American Pit 9
Chihuahua 8
Dachshund (unspecified) 7
Shepherd Dog - German 7
Retriever - Golden 7

Associated Drugs

Moxidectin 27
Afoxolaner 19
Milbemycin Oxime + Spinosad 18
Carprofen 15
Imidacloprid + Moxidectin 13
Cefovecin 13
Oclacitinib Maleate 13
Fluralaner Chew Tablets 12
Spinosad 11
Meloxicam 10
Gabapentin 10
Melarsomine Dihydrochloride Injection 9
Maropitant Citrate 7
Prednisone 7
Tigilanol Tiglate 7
Cephalexin 6
Enrofloxacin 6
Buprenorphine 6
Diphenhydramine Hcl 6
Ivermectin + Pyrantel As Pamoate Salt 6

Skin swelling Reaction Insights

273 reports name Skin swelling; 21 recorded a death outcome (7.7% of reported events, not a population-level mortality rate). VeDDRA code: 969.

By species: Dog (190 reports), Cat (37 reports), Human (23 reports). By breed: Unknown (24), Retriever - Labrador (22), Domestic Shorthair (20).

Most co-reported drugs: Moxidectin (27 reports), Afoxolaner (19 reports), Milbemycin Oxime + Spinosad (18 reports), Carprofen (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.