Reaction profile

The FDA adverse-event record for inappetence

8,843 FDA adverse-event reports reference inappetence (VeDDRA 999). See the species, breeds, and drugs most associated with it below.

8,843
reports citing this reaction
11.9%
death-coded share
Dog
most-affected species
Milbemycin Oxime + Spinosad
most-associated drug
Verify with FDA CVM →
8,843
Total Reports
1,050
Deaths
11.9%
Death Rate

Species Most Affected

Dog 7,152
Cat 1,487
Horse 126
Rabbit 28
Cattle 20
Ferret 5
Sheep 3
Human 3
Other Equids 3
Other 3

Breeds Most Affected

Domestic Shorthair 954
Retriever - Labrador 797
Crossbred Canine/dog 444
Chihuahua 343
Retriever - Golden 303
Shih Tzu 290
Terrier - Yorkshire 282
Shepherd Dog - German 259
Boxer (German Boxer) 195
Dog (unknown) 188

Associated Drugs

Milbemycin Oxime + Spinosad 951
Trilostane 588
Carprofen 586
Afoxolaner 576
Maropitant Citrate 447
Fluralaner Chew Tablets 424
Ivermectin + Pyrantel As Pamoate Salt 418
Oclacitinib Maleate 326
Moxidectin 307
Spinosad 290
Imidacloprid + Moxidectin 261
Cefovecin 257
Selamectin 220
Pyrantel Pamoate;Sarolaner 218
Sarolaner 205
Prednisone 195
Gabapentin 187
Bedinvetmab 175
Fluralaner 13.64% 12-Week Chew 173
Meloxicam 165

Inappetence Reaction Insights

8,843 reports name Inappetence; 1,050 recorded a death outcome (11.9% of reported events, not a population-level mortality rate). VeDDRA code: 999.

By species: Dog (7,152 reports), Cat (1,487 reports), Horse (126 reports). By breed: Domestic Shorthair (954), Retriever - Labrador (797), Crossbred Canine/dog (444).

Most co-reported drugs: Milbemycin Oxime + Spinosad (951 reports), Trilostane (588 reports), Carprofen (586 reports), Afoxolaner (576 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.