Reaction profile

The FDA adverse-event record for other abnormal test result nos

20,496 FDA adverse-event reports reference other abnormal test result nos (VeDDRA 1221). See the species, breeds, and drugs most associated with it below.

20,496
reports citing this reaction
16.9%
death-coded share
Dog
most-affected species
Milbemycin Oxime + Spinosad
most-associated drug
Verify with FDA CVM →
20,496
Total Reports
3,470
Deaths
16.9%
Death Rate

Species Most Affected

Dog 17,426
Cat 2,453
Horse 282
Cattle 230
Human 38
Pig 23
Sheep 5
Chicken 5
Goat 5
Lion 3

Breeds Most Affected

Retriever - Labrador 2,238
Domestic Shorthair 1,584
Crossbred Canine/dog 967
Retriever - Golden 816
Shepherd Dog - German 662
Terrier - Yorkshire 569
Chihuahua 565
Shih Tzu 549
Boxer (German Boxer) 472
Beagle 414

Associated Drugs

Milbemycin Oxime + Spinosad 2,738
Milbemycin Oxime + Praziquantel 1,741
Carprofen 1,423
Oclacitinib Maleate 1,363
Afoxolaner 1,208
Ivermectin + Pyrantel As Pamoate Salt 1,163
Trilostane 1,150
Maropitant Citrate 1,110
Imidacloprid + Moxidectin 964
Fluralaner Chew Tablets 800
Lotilaner 763
Spinosad 740
Cyclosporine A 735
Deracoxib 707
Prednisone 668
Cefovecin 589
Moxidectin 534
Tramadol 507
Enrofloxacin 436
Meloxicam 431

Other abnormal test result NOS Reaction Insights

20,496 reports name Other abnormal test result NOS; 3,470 recorded a death outcome (16.9% of reported events, not a population-level mortality rate). VeDDRA code: 1221.

By species: Dog (17,426 reports), Cat (2,453 reports), Horse (282 reports). By breed: Retriever - Labrador (2,238), Domestic Shorthair (1,584), Crossbred Canine/dog (967).

Most co-reported drugs: Milbemycin Oxime + Spinosad (2,738 reports), Milbemycin Oxime + Praziquantel (1,741 reports), Carprofen (1,423 reports), Oclacitinib Maleate (1,363 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.