Reaction profile

The FDA adverse-event record for biting -aggression (see also 'skin and appendages disorders')

661 FDA adverse-event reports reference biting -aggression (see also 'skin and appendages disorders') (VeDDRA 112). See the species, breeds, and drugs most associated with it below.

661
reports citing this reaction
9.8%
death-coded share
Dog
most-affected species
Milbemycin Oxime + Spinosad
most-associated drug
Verify with FDA CVM →
661
Total Reports
65
Deaths
9.8%
Death Rate

Species Most Affected

Dog 519
Cat 122
Horse 11
Cattle 3
Pig 3
Parrot 2
Ferret 1

Breeds Most Affected

Crossbred Canine/dog 49
Domestic Shorthair 42
Retriever - Labrador 36
Domestic (unspecified) 34
Dog (unknown) 31
Shih Tzu 23
Retriever - Golden 21
Chihuahua 20
Shepherd Dog - German 17
Terrier - Yorkshire 16

Associated Drugs

Milbemycin Oxime + Spinosad 59
Oclacitinib Maleate 50
Spinosad 45
Nitenpyram 44
Fluralaner Chew Tablets 35
Afoxolaner 31
Trilostane 29
Carprofen 25
Selamectin 20
Fluralaner 13.64% 12-Week Chew 20
Pyrantel Pamoate;Sarolaner 19
Insulin Injectable Vial 17
Ivermectin + Pyrantel As Pamoate Salt 16
Sarolaner 16
Meloxicam 12
Prednisone 12
Melarsomine Dihydrochloride 10
Desoxycorticosterone Pivalate 10
Dexmedetomidine Hydrochloride 9
Ivermectin 9

Biting -aggression (see also 'Skin and appendages disorders') Reaction Insights

661 reports name Biting -aggression (see also 'Skin and appendages disorders'); 65 recorded a death outcome (9.8% of reported events, not a population-level mortality rate). VeDDRA code: 112.

By species: Dog (519 reports), Cat (122 reports), Horse (11 reports). By breed: Crossbred Canine/dog (49), Domestic Shorthair (42), Retriever - Labrador (36).

Most co-reported drugs: Milbemycin Oxime + Spinosad (59 reports), Oclacitinib Maleate (50 reports), Spinosad (45 reports), Nitenpyram (44 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.