Reaction profile

The FDA adverse-event record for liver damage aggravated

11 FDA adverse-event reports reference liver damage aggravated (VeDDRA 1579). See the species, breeds, and drugs most associated with it below.

11
reports citing this reaction
72.7%
death-coded share
Dog
most-affected species
Oclacitinib Maleate
most-associated drug
Verify with FDA CVM →
11
Total Reports
8
Deaths
72.7%
Death Rate

Species Most Affected

Dog 9
Rabbit 1
Cat 1

Breeds Most Affected

Terrier - Scottish 1
Terrier - Cairn 1
Dachshund - Miniature 1
Papillon - Spaniel - Continental Toy (with erect ears or with dropped ears (Phaléne)) 1
Crossbred Canine/dog 1
Bulldog - American 1
Retriever - Golden 1
Californian 1
Schnauzer - Miniature 1
Cat (other) 1

Associated Drugs

Oclacitinib Maleate 4
Milbemycin Oxime + Spinosad 2
Spinosad 2
Afoxolaner 1
Penicillin G Procaine 1
Prednisone 1
Diazepam 1
Fluralaner Chew Tablets 1
Rabies In Hhh Adj Pfizer Kv 1
Da2Ppv+L*4 (Orig S-P Us) Lv+Kb 1
Canine Bb/Pi3/Adeno 2 Lv/Lb 1
Carprofen 1
Fluralaner Spot-On Solution 1

Liver damage aggravated Reaction Insights

11 reports name Liver damage aggravated; 8 recorded a death outcome (72.7% of reported events, not a population-level mortality rate). VeDDRA code: 1579.

By species: Dog (9 reports), Rabbit (1 reports), Cat (1 reports). By breed: Terrier - Scottish (1), Terrier - Cairn (1), Dachshund - Miniature (1).

Most co-reported drugs: Oclacitinib Maleate (4 reports), Milbemycin Oxime + Spinosad (2 reports), Spinosad (2 reports), Afoxolaner (1 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.