Reaction profile

The FDA adverse-event record for lack of response to owner

429 FDA adverse-event reports reference lack of response to owner (VeDDRA 2510). See the species, breeds, and drugs most associated with it below.

429
reports citing this reaction
11.7%
death-coded share
Dog
most-affected species
Pyrantel Pamoate;Sarolaner
most-associated drug
Verify with FDA CVM →
429
Total Reports
50
Deaths
11.7%
Death Rate

Species Most Affected

Dog 364
Cat 57
Horse 6
Cattle 1
Goat 1

Breeds Most Affected

Crossbred Canine/dog 31
Retriever - Labrador 30
Domestic Shorthair 24
Chihuahua 22
Retriever - Golden 20
Shepherd Dog - German 16
Shih Tzu 15
Maltese 13
Terrier - Yorkshire 12
Dachshund (unspecified) 9

Associated Drugs

Pyrantel Pamoate;Sarolaner 51
Afoxolaner 48
Sarolaner 29
Milbemycin Oxime + Spinosad 26
Fluralaner Chew Tablets 24
Bedinvetmab 24
Fluralaner 13.64% 12-Week Chew 23
Ivermectin + Pyrantel As Pamoate Salt 23
Gabapentin 17
Trilostane 15
Carprofen 15
Oclacitinib Maleate 13
Maropitant Citrate 13
Moxidectin 12
Lotilaner 12
Milbemycin Oxime + Praziquantel 11
Buprenorphine 11
Cefovecin 10
Frunevetmab 10
Polysulfated Glycosaminoglycan 9

Lack of response to owner Reaction Insights

429 reports name Lack of response to owner; 50 recorded a death outcome (11.7% of reported events, not a population-level mortality rate). VeDDRA code: 2510.

By species: Dog (364 reports), Cat (57 reports), Horse (6 reports). By breed: Crossbred Canine/dog (31), Retriever - Labrador (30), Domestic Shorthair (24).

Most co-reported drugs: Pyrantel Pamoate;Sarolaner (51 reports), Afoxolaner (48 reports), Sarolaner (29 reports), Milbemycin Oxime + Spinosad (26 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.