Reaction profile

The FDA adverse-event record for abnormal adrenocorticotropic hormone (acth) stimulation test

883 FDA adverse-event reports reference abnormal adrenocorticotropic hormone (acth) stimulation test (VeDDRA 2663). See the species, breeds, and drugs most associated with it below.

883
reports citing this reaction
7.2%
death-coded share
Dog
most-affected species
Trilostane
most-associated drug
Verify with FDA CVM →
883
Total Reports
64
Deaths
7.2%
Death Rate

Species Most Affected

Dog 879
Horse 2
Cat 2

Breeds Most Affected

Retriever - Labrador 91
Terrier - Boston 50
Crossbred Canine/dog 43
Maltese 40
Boxer (German Boxer) 40
Chihuahua 33
Spaniel (unspecified) 32
Shih Tzu 31
Beagle 31
American Pit Bull Terrier 30

Associated Drugs

Trilostane 1,278
Carprofen 28
Pimobendan 23
Levothyroxine 22
Gabapentin 21
Insulin Injectable Vial 17
Grapiprant 17
Insulin 15
Amlodipine 15
Oclacitinib Maleate 14
Enalapril 13
Benazepril 11
Ursodiol 11
Lokivetmab 9
Milbemycin Oxime + Spinosad 8
Same And Silybin 8
Tramadol 7
Prednisone 7
Afoxolaner 7
Trazodone 7

Abnormal adrenocorticotropic hormone (ACTH) stimulation test Reaction Insights

883 reports name Abnormal adrenocorticotropic hormone (ACTH) stimulation test; 64 recorded a death outcome (7.2% of reported events, not a population-level mortality rate). VeDDRA code: 2663.

By species: Dog (879 reports), Horse (2 reports), Cat (2 reports). By breed: Retriever - Labrador (91), Terrier - Boston (50), Crossbred Canine/dog (43).

Most co-reported drugs: Trilostane (1,278 reports), Carprofen (28 reports), Pimobendan (23 reports), Levothyroxine (22 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.