Reaction profile

The FDA adverse-event record for abnormal test result, thyroid nos

31 FDA adverse-event reports reference abnormal test result, thyroid nos (VeDDRA 93018). See the species, breeds, and drugs most associated with it below.

31
reports citing this reaction
16.1%
death-coded share
Dog
most-affected species
Milbemycin Oxime + Spinosad
most-associated drug
Verify with FDA CVM →
31
Total Reports
5
Deaths
16.1%
Death Rate

Species Most Affected

Dog 29
Cat 2

Breeds Most Affected

Boxer (German Boxer) 3
Crossbred Canine/dog 3
Pekingese 2
Retriever - Labrador 2
Shepherd Dog - German 2
Domestic Longhair 2
Akita 2
Chihuahua 2
Dog (unknown) 2
Retriever - Golden 1

Associated Drugs

Milbemycin Oxime + Spinosad 9
Trilostane 3
Insulin Injectable Vial 2
Spinosad 2
Desoxycorticosterone Pivalate 1
Probiotic 1
Amitriptylline 1
Diphenhydramine 1
Prednisone 1
Ivermectin 272Mcg, Pyrantel Pamoate 228Mg, Praziquantel 228Mg 1
Ivermectin 272Mcg, Pyrantel 227Mg 1
Phenobarbital 1
Gabapentin 1
Enalapril Maleate 1
Methylprednisolone Acetate 1
Cefovecin 1
Meloxicam 1
Deramaxx 1
Sq Fluids 1
Antibiotic 1

ABNORMAL TEST RESULT, THYROID NOS Reaction Insights

31 reports name ABNORMAL TEST RESULT, THYROID NOS; 5 recorded a death outcome (16.1% of reported events, not a population-level mortality rate). VeDDRA code: 93018.

By species: Dog (29 reports), Cat (2 reports). By breed: Boxer (German Boxer) (3), Crossbred Canine/dog (3), Pekingese (2).

Most co-reported drugs: Milbemycin Oxime + Spinosad (9 reports), Trilostane (3 reports), Insulin Injectable Vial (2 reports), Spinosad (2 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.