Reaction profile

The FDA adverse-event record for runt

11 FDA adverse-event reports reference runt (VeDDRA 790). See the species, breeds, and drugs most associated with it below.

11
reports citing this reaction
45.5%
death-coded share
Dog
most-affected species
Ivermectin + Pyrantel As Pamoate Salt
most-associated drug
Verify with FDA CVM →
11
Total Reports
5
Deaths
45.5%
Death Rate

Species Most Affected

Dog 10
Pig 1

Breeds Most Affected

Spaniel - Cocker American 2
Shepherd Dog - Australian 2
Pig (other) 1
Bulldog - French 1
Crossbred Canine/dog 1
Retriever - Golden 1
Shepherd Dog - German 1
Shepherd Dog - Anatolian 1
Dog (unknown) 1

Associated Drugs

Ivermectin + Pyrantel As Pamoate Salt 4
Moxidectin 2
Tylosin Phosphate 1
Ivermectin/Pyrantel Pamoate Chewable 68Mcg/163Mg 1
Milbemycin Oxime + Spinosad 1
Meloxicam 1
Fluralaner Chew Tablets 1
Cyphenothrin + Fipronil + S-Methoprene 1
Pyrantel Pamoate;Sarolaner 1

Runt Reaction Insights

11 reports name Runt; 5 recorded a death outcome (45.5% of reported events, not a population-level mortality rate). VeDDRA code: 790.

By species: Dog (10 reports), Pig (1 reports). By breed: Spaniel - Cocker American (2), Shepherd Dog - Australian (2), Pig (other) (1).

Most co-reported drugs: Ivermectin + Pyrantel As Pamoate Salt (4 reports), Moxidectin (2 reports), Tylosin Phosphate (1 reports), Ivermectin/Pyrantel Pamoate Chewable 68Mcg/163Mg (1 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.