Reaction profile

The FDA adverse-event record for dermal cyst(s)

415 FDA adverse-event reports reference dermal cyst(s) (VeDDRA 929). See the species, breeds, and drugs most associated with it below.

415
reports citing this reaction
7.5%
death-coded share
Dog
most-affected species
Oclacitinib Maleate
most-associated drug
Verify with FDA CVM →
415
Total Reports
31
Deaths
7.5%
Death Rate

Species Most Affected

Dog 402
Cat 13

Breeds Most Affected

Retriever - Labrador 38
Shepherd Dog - German 37
Beagle 27
Retriever - Golden 20
Crossbred Canine/dog 20
Shih Tzu 14
Boxer (German Boxer) 12
Terrier - Bull - American Pit 12
Bulldog 10
Bichon Frise 10

Associated Drugs

Oclacitinib Maleate 168
Milbemycin Oxime + Spinosad 53
Trilostane 31
Bedinvetmab 25
Fluralaner Chew Tablets 20
Afoxolaner 18
Anti-Il31 Mab Mcs Lot #1283563 15
Prednisone 14
Moxidectin 14
Carprofen 12
Cephalexin 12
Cyclosporine 12
Milbemycin Oxime + Praziquantel 12
Gabapentin 10
Cyclosporine A 8
Cefpodoxime Proxetil 8
Imidacloprid + Moxidectin 7
Fluralaner 7
Fluralaner 13.64% 12-Week Chew 7
Ivermectin 6

Dermal cyst(s) Reaction Insights

415 reports name Dermal cyst(s); 31 recorded a death outcome (7.5% of reported events, not a population-level mortality rate). VeDDRA code: 929.

By species: Dog (402 reports), Cat (13 reports). By breed: Retriever - Labrador (38), Shepherd Dog - German (37), Beagle (27).

Most co-reported drugs: Oclacitinib Maleate (168 reports), Milbemycin Oxime + Spinosad (53 reports), Trilostane (31 reports), Bedinvetmab (25 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.