Reaction profile

The FDA adverse-event record for skin lesion nos

4,336 FDA reports name skin lesion nos, a high-volume reaction in the CVM extract (VeDDRA 966). Plate stamps and neighbourhood peers follow.

#111 of 2,481
by report volume (all reactions)
4,336
reports citing this reaction
6.5%
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 lesion NOS has 4,336 reports now versus 4,272 in that prior snapshot: 64 more (1.5%).

Report change
+64
Death-coded reports
+3
Death-coded share
−0.0 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 lesion NOS changes

FDA AER · VeDDRA plate

Code 966 VOL-MID

VOL-MID · DEATH-PAR · TOP-DECILE · PHOTO-FINISH · SPECIES-DOG · DRUG-LEAD · DESK-WIDE · BOOK-FULL

  • VOL-MID 4,336 reports
  • DEATH-PAR 6.5%
  • TOP-DECILE #111/2481
  • PHOTO-FINISH Drug administration e…
  • SPECIES-DOG Dog · 3,096
  • DRUG-LEAD Oclacitinib Malea… · 412
  • DESK-WIDE 20 breeds
  • BOOK-FULL 8/8 fields

Nearest volume peer: Drug administration error (±83 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 lesion NOS

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

Vomiting · highest174348Nausea · near4502Intentional misuse · near4443Drug administration e… · near4419Skin lesion NOS · this react…4336Thrombocytopenia · near4205Urinary tract neoplas… · low…10
FDA AER report volume · neighbourhood around Skin lesion NOS

Skin lesion NOS: low death-coded share in the FDA AER plate

Signature read: 4,336 reports place Skin lesion NOS in the upper third of FDA AER volume (#111 of 2,481). Report volume is upper-third scale: 4,336 named reports in the openFDA extract. Death-coded share is lower-third: 282 of 4,336 reports (6.5% of named reports). Nearest volume peer: Drug administration error (±83 reports). Lead species Dog (3,096). Lead co-reported drug Oclacitinib Maleate (412).

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 3,096
Cat 1,043
Human 98
Cattle 34
Horse 28
Fish 13
Pig 5
Chicken 3
Turkey 3
Goat 3

Breeds Most Affected

Domestic Shorthair 605
Retriever - Labrador 330
Crossbred Canine/dog 209
Shepherd Dog - German 134
Unknown 120
Terrier - Yorkshire 118
Chihuahua 117
Retriever - Golden 116
Dog (unknown) 111
Shih Tzu 106

Associated Drugs

Oclacitinib Maleate 412
Frunevetmab 369
Milbemycin Oxime + Spinosad 354
Imidacloprid + Moxidectin 295
Carprofen 286
Selamectin 245
Afoxolaner 231
Cefovecin 216
Spinosad 178
Prednisone 155
Trilostane 139
Cyclosporine 124
Maropitant Citrate 122
Gabapentin 120
Bedinvetmab 116
Cefovecin Sodium 101
Anti-Il31 Mab Mcs Lot #1283563 99
Cyclosporine A 96
Moxidectin 95
Fluralaner Chew Tablets 89

Nationwide reactions with similar profiles

Two openFDA-derived peer sets for Skin lesion 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 (4,336 here).

Similar death-coded share

Nearest other reactions by death-coded share (6.5% 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 lesion NOS (#111 of 2,481 by report volume); death-coded 6.5%. PlainBreed reaction plate · report volume stamp 4,336 · 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 →