Reaction profile

The FDA adverse-event record for skin tumour nos

355 FDA reports name skin tumour nos, a high-volume reaction in the CVM extract (VeDDRA 923). Plate stamps and neighbourhood peers follow.

#804 of 2,481
by report volume (all reactions)
355
reports citing this reaction
11.3%
death-coded share
Dog
most-affected species

Release-over-release change

What changed in the latest FDA data snapshot

PlainBreed reconstructed the prior snapshot from dated openFDA partitions through 2025 Q4, then compared it with the 2026-07-27 openFDA export. Skin tumour NOS has 355 reports now versus 351 in that prior snapshot: 4 more (1.1%).

Report change
+4
Death-coded reports
+0
Death-coded share
−0.1 pts

This compares reported-event counts in two source snapshots. It does not establish a change in real-world risk, product safety, or disease incidence.

Subscribe to Skin tumour NOS changes

FDA AER · VeDDRA plate

Code 923 VOL-LOW

VOL-LOW · DEATH-ELEV · MID-PACK · PHOTO-FINISH · SPECIES-DOG · DRUG-LEAD · DESK-WIDE · BOOK-FULL

  • VOL-LOW 355 reports
  • DEATH-ELEV 11.3%
  • MID-PACK #804/2481
  • PHOTO-FINISH Closed eyelid
  • SPECIES-DOG Dog · 340
  • DRUG-LEAD Oclacitinib Malea… · 139
  • DESK-WIDE 20 breeds
  • BOOK-FULL 8/8 fields

Nearest volume peer: Closed eyelid (±1 reports)

Upper-third report volume drives the scale stamps on this plate; death-coded share and co-report peers follow. Not a clinical diagnosis.

High-volume neighbourhood around Skin tumour NOS

Upper-third volume poles plus nearest peers, not a full reaction corpus board reprint.

Vomiting · highest174348Closed eyelid · near356Isosthenuria · near356Lip smacking · near356Skin tumour NOS · this react…355Pawing · near354Urinary tract neoplas… · low…10
FDA AER report volume · neighbourhood around Skin tumour NOS

What the FDA AER plate says about Skin tumour NOS

Signature read: 355 reports place Skin tumour NOS in the upper third of FDA AER volume (#804 of 2,481). Report volume is upper-third scale: 355 named reports in the openFDA extract. 40 of 355 reports were death-coded (11.3% of named reports, not a population mortality rate). Nearest volume peer: Closed eyelid (±1 reports). Lead species Dog (340). Lead co-reported drug Oclacitinib Maleate (139).

Read these counts as reporting volume, not risk: per our methodology, Lead co-reported drug Oclacitinib Maleate appears in filings alongside this reaction; that is association, not causation. Browse the full reactions index or the about page for how PlainBreed frames FDA CVM extracts.

Species Most Affected

Dog 340
Cat 15

Breeds Most Affected

Retriever - Labrador 48
Boxer (German Boxer) 33
Crossbred Canine/dog 20
Terrier - Bull - American Pit 18
Dog (unknown) 14
Pit Bull 11
Hound - Basset 9
Retriever - Golden 9
Beagle 9
Terrier (unspecified) 8

Associated Drugs

Oclacitinib Maleate 139
Milbemycin Oxime + Spinosad 47
Trilostane 23
Cyclosporine A 20
Spinosad 18
Fluralaner Chew Tablets 14
Selamectin 11
Afoxolaner 11
Meloxicam 10
Prednisone 10
Ivermectin 10
Cyclosporine 10
Anti-Il31 Mab Mcs Lot #1283563 9
Gabapentin 9
Carprofen 8
Diphenhydramine 8
Grapiprant 8
Bedinvetmab 8
Imidacloprid + Moxidectin 7
Milbemycin Oxime + Praziquantel 7

Nationwide reactions with similar profiles

Two openFDA-derived peer sets for Skin tumour NOS, both floored at ≥50 reports so the neighborhoods stay in the advertised mass (the volume chart above is the unfloored photo-finish strip).

Similar report volume

Nearest other reactions by FDA report count (355 here).

Similar death-coded share

Nearest other reactions by death-coded share (11.3% here), distinct from the volume row.

What to do with this reaction

A report does not prove a drug caused the reaction; consult a veterinarian before acting on this data.

Source: FDA Center for Veterinary Medicine openFDA Animal & Veterinary Adverse Events (CVM AER) · 2025

openFDA Animal & Veterinary Adverse Events (FDA CVM) for Skin tumour NOS (#804 of 2,481 by report volume); death-coded 11.3%. PlainBreed reaction plate · report volume stamp 355 · vintage 2025.

Informational only. FDA adverse-event reports are voluntary and do not prove causation; consult a veterinarian before acting on them. Verify with FDA CVM →