Reaction profile

The FDA adverse-event record for nt - tumour (nos)

62 FDA adverse-event reports reference nt - tumour (nos) (VeDDRA 2351). See the species, breeds, and drugs most associated with it below.

62
reports citing this reaction
32.3%
death-coded share
Dog
most-affected species
Oclacitinib Maleate
most-associated drug
Verify with FDA CVM →
62
Total Reports
20
Deaths
32.3%
Death Rate

Species Most Affected

Dog 57
Horse 3
Human 1
Cat 1

Breeds Most Affected

Retriever - Labrador 10
Dog (unknown) 5
Terrier - Bull - American Pit 4
Boxer (German Boxer) 4
Terrier (unspecified) 4
Retriever - Golden 3
Pug 3
Terrier - Yorkshire 2
Mixed (Dog) 2
Terrier - Boston 2

Associated Drugs

Oclacitinib Maleate 26
Trilostane 7
Carprofen 4
Milbemycin Oxime + Spinosad 3
Anti-Il31 Mab Mcs Lot #1283563 3
Enrofloxacin 3
Grapiprant 3
Sarolaner 3
Afoxolaner 3
Ivermectin + Pyrantel 2
Ivermectin 2
Selamectin 2
Cefpodoxime 2
Alprazolam 2
Maropitant Citrate 2
Metronidazole 2
Moxidectin 2
Deracoxib 2
Milbemycin Oxime + Praziquantel 2
Spinosad 1

NT - tumour (NOS) Reaction Insights

62 reports name NT - tumour (NOS); 20 recorded a death outcome (32.3% of reported events, not a population-level mortality rate). VeDDRA code: 2351.

By species: Dog (57 reports), Horse (3 reports), Human (1 reports). By breed: Retriever - Labrador (10), Dog (unknown) (5), Terrier - Bull - American Pit (4).

Most co-reported drugs: Oclacitinib Maleate (26 reports), Trilostane (7 reports), Carprofen (4 reports), Milbemycin Oxime + Spinosad (3 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.