Reaction profile

The FDA adverse-event record for muscle wasting

794 FDA adverse-event reports reference muscle wasting (VeDDRA 611). See the species, breeds, and drugs most associated with it below.

794
reports citing this reaction
29.5%
death-coded share
Dog
most-affected species
Trilostane
most-associated drug
Verify with FDA CVM →
794
Total Reports
234
Deaths
29.5%
Death Rate

Species Most Affected

Dog 627
Cat 143
Horse 21
Human 1
Cattle 1
Mule 1

Breeds Most Affected

Retriever - Labrador 105
Domestic Shorthair 83
Crossbred Canine/dog 41
Shepherd Dog - German 37
Retriever - Golden 37
Boxer (German Boxer) 20
Dog (unknown) 17
Collie - Border 17
Shih Tzu 14
Beagle 12

Associated Drugs

Trilostane 192
Bedinvetmab 123
Carprofen 84
Milbemycin Oxime + Spinosad 66
Gabapentin 63
Maropitant Citrate 53
Prednisone 52
Grapiprant 32
Fluralaner Chew Tablets 28
Oclacitinib Maleate 26
Tramadol 23
Bexagliflozin 23
Enrofloxacin 21
Meloxicam 21
Famotidine 21
Deracoxib 20
Cefovecin 20
Cyclosporine 20
Frunevetmab 20
Spinosad 19

Muscle wasting Reaction Insights

794 reports name Muscle wasting; 234 recorded a death outcome (29.5% of reported events, not a population-level mortality rate). VeDDRA code: 611.

By species: Dog (627 reports), Cat (143 reports), Horse (21 reports). By breed: Retriever - Labrador (105), Domestic Shorthair (83), Crossbred Canine/dog (41).

Most co-reported drugs: Trilostane (192 reports), Bedinvetmab (123 reports), Carprofen (84 reports), Milbemycin Oxime + Spinosad (66 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.