Reaction profile

The FDA adverse-event record for skin fibrosarcoma

35 FDA reports name skin fibrosarcoma, a lower-volume reaction in the CVM extract (VeDDRA 916). Plate stamps and neighbourhood peers follow.

#1926 of 2,481
by report volume (all reactions)
35
reports citing this reaction
17.1%
death-coded share
Cat
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 fibrosarcoma has 35 reports now versus 35 in that prior snapshot: 0 the same number of (0.0%).

Report change
+0
Death-coded reports
+0
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 fibrosarcoma changes

FDA AER · VeDDRA plate

Code 916 VOL-TRACE

VOL-TRACE · DEATH-ELEV · LOWER-Q · PHOTO-FINISH · SPECIES-CAT · DRUG-LEAD · DESK-WIDE · BOOK-FULL

  • VOL-TRACE 35 reports
  • DEATH-ELEV 17.1%
  • LOWER-Q #1926/2481
  • PHOTO-FINISH CARBON DIOXIDE LOW, B…
  • SPECIES-CAT Cat · 19
  • DRUG-LEAD Cefovecin · 10
  • DESK-WIDE 17 breeds
  • BOOK-FULL 8/8 fields

Nearest volume peer: CARBON DIOXIDE LOW, BLOOD (±0 reports)

Instrument codes from this reaction’s FDA CVM adverse-event extract: volume band, death-coded share, corpus rank, photo-finish peer, lead species, lead drug, breed desk, and book completeness. Not a clinical diagnosis.

Lower-volume neighbourhood around Skin fibrosarcoma

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

Vomiting · highest174348CARBON DIOXIDE LOW, B… · near35Cerebral oedema · near35Comedo/blackhead · near35Gastric torsion · near35Skin fibrosarcoma · this rea…35Urinary tract neoplas… · low…10
FDA AER report volume · neighbourhood around Skin fibrosarcoma

What the FDA AER plate says about Skin fibrosarcoma

Signature read: 35 reports place Skin fibrosarcoma in the lower third of FDA AER volume (#1926 of 2,481). Report volume is lower-third scale: 35 named reports in the openFDA extract. 6 of 35 reports were death-coded (17.1% of named reports, not a population mortality rate). Nearest volume peer: CARBON DIOXIDE LOW, BLOOD (±0 reports). Lead species Cat (19). Lead co-reported drug Cefovecin (10).

Read these counts as reporting volume, not risk: per our methodology, Lead co-reported drug Cefovecin 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

Cat 19
Dog 16

Breeds Most Affected

Domestic Shorthair 13
Siamese 2
Retriever - Labrador 2
Terrier - Bull - Staffordshire 2
Domestic Longhair 2
Retriever - Golden 2
Domestic Mediumhair 2
Bichon Frise 1
Retriever - Flat-coated 1
Poodle - Standard 1

Associated Drugs

Cefovecin 10
Oclacitinib Maleate 8
Robenacoxib 7
Buprenorphine 4
Rabies Virus, Kv 4
Anti-Il31 Mab Mcs Lot #1283563 3
Cyclosporine 3
Maropitant Citrate 3
Cyclosporine A 2
Tylosin Tartrate 2
Meloxicam 2
Enrofloxacin 2
Trilostane 2
Clindamycin 2
Feline Leukemia Virus, Ah927/1161E Strain 2
Rabies Vaccine 2
Fvrcp Vaccine 2
Diphenhydramine 2
Fluid Therapy 2
Butorphanol 2

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 fibrosarcoma (#1926 of 2,481 by report volume); death-coded 17.1%. PlainBreed reaction plate · report volume stamp 35 · 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 →