Reaction profile

The FDA adverse-event record for buccal ulceration

25 FDA reports name buccal ulceration, a lower-volume reaction in the CVM extract (VeDDRA 298). Plate stamps and neighbourhood peers follow.

#2067 of 2,481
by report volume (all reactions)
25
reports citing this reaction
16.0%
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. Buccal ulceration has 25 reports now versus 25 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 Buccal ulceration changes

FDA AER · VeDDRA plate

Code 298 VOL-TRACE

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

  • VOL-TRACE 25 reports
  • DEATH-ELEV 16.0%
  • LOWER-Q #2067/2481
  • PHOTO-FINISH Abnormal behaviour NOS
  • SPECIES-DOG Dog · 18
  • DRUG-LEAD Grapiprant · 4
  • DESK-WIDE 20 breeds
  • BOOK-FULL 8/8 fields

Nearest volume peer: Abnormal behaviour NOS (±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 Buccal ulceration

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

Vomiting · highest174348Abnormal behaviour NOS · near25Buccal ulceration · this rea…25Dizzy spell · near25Elevated serum lipids · near25HCO3 LOW, BLOOD · near25Urinary tract neoplas… · low…10
FDA AER report volume · neighbourhood around Buccal ulceration

What the FDA AER plate says about Buccal ulceration

Signature read: 25 reports place Buccal ulceration in the lower third of FDA AER volume (#2067 of 2,481). Report volume is lower-third scale: 25 named reports in the openFDA extract. 4 of 25 reports were death-coded (16.0% of named reports, not a population mortality rate). Nearest volume peer: Abnormal behaviour NOS (±0 reports). Lead species Dog (18). Lead co-reported drug Grapiprant (4).

Read these counts as reporting volume, not risk: per our methodology, Lead co-reported drug Grapiprant 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 18
Horse 4
Cat 3

Breeds Most Affected

Domestic Shorthair 3
Horse (unknown) 2
Retriever (unspecified) 1
Retriever - Labrador 1
Setter - English 1
Bichon Frise 1
Percheron 1
Boxer (German Boxer) 1
Collie - Border 1
Pug 1

Associated Drugs

Grapiprant 4
Firocoxib 3
Tramadol 3
Carprofen 3
Rabies Vaccine 3
Prednisone 2
Ivermectin(1.55%)/Praziquantel(7.75%) Paste 2
Meloxicam 2
Cefovecin 2
Robenacoxib 2
Spinosad 1
Isoflupredone Acetate; Neomycin Sulfate; Tetracaine Hydrochloride 1
Milbemycin Oxime + Spinosad 1
Hexetidine 1
Omeprazole 37% Oral Paste 1
Recombinant Human Insulin 1
Cephalexin 1
Propofol 1
Isoflurane 1
Clindamycin 1

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 Buccal ulceration (#2067 of 2,481 by report volume); death-coded 16.0%. PlainBreed reaction plate · report volume stamp 25 · 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 →