Reaction profile

The FDA adverse-event record for pr-liver, lesion(s)

772 FDA reports name pr-liver, lesion(s), a high-volume reaction in the CVM extract (VeDDRA 99629). Plate stamps and neighbourhood peers follow.

#471 of 2,481
by report volume (all reactions)
772
reports citing this reaction
81.7%
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. PR-LIVER, LESION(S) has 772 reports now versus 770 in that prior snapshot: 2 more (0.3%).

Report change
+2
Death-coded reports
+2
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 PR-LIVER, LESION(S) changes

FDA AER · VeDDRA plate

Code 99629 VOL-MID

VOL-MID · DEATH-HOT · UPPER-Q · PHOTO-FINISH · SPECIES-DOG · DRUG-LEAD · DESK-WIDE · BOOK-FULL

  • VOL-MID 772 reports
  • DEATH-HOT 81.7%
  • UPPER-Q #471/2481
  • PHOTO-FINISH Diabetes mellitus
  • SPECIES-DOG Dog · 538
  • DRUG-LEAD Carprofen · 150
  • DESK-WIDE 20 breeds
  • BOOK-FULL 8/8 fields

Nearest volume peer: Diabetes mellitus (±2 reports)

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

High-volume neighbourhood around PR-LIVER, LESION

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

Vomiting · highest174348Hair shedding · near774Hepatopathy · near774PR-LIVER, LESION(S) · this r…772Diabetes mellitus · near770Quiet · near770Urinary tract neoplas… · low…10
FDA AER report volume · neighbourhood around PR-LIVER, LESION(S)

PR-LIVER, LESION(S): high death-coded share in the FDA AER plate

Signature read: 631 death-coded reports is a heavy tail count for PR-LIVER, LESION(S) in the CVM extract. Report volume is upper-third scale: 772 named reports in the openFDA extract. Death-coded share is upper-third: 631 of 772 reports (81.7% of named reports). Nearest volume peer: Diabetes mellitus (±2 reports). Lead species Dog (538). Lead co-reported drug Carprofen (150).

Read these counts as reporting volume, not risk: per our methodology, A high death-coded share in FDA filings does not prove causation; co-reporting is voluntary temporal association only. Browse the full reactions index or the about page for how PlainBreed frames FDA CVM extracts.

Species Most Affected

Dog 538
Cat 147
Cattle 65
Horse 8
Other Birds 2
Pig 2
Donkey 1
Guinea Pig 1
Buffalo 1
Chicken 1

Breeds Most Affected

Retriever - Labrador 104
Domestic (unspecified) 66
Crossbred Canine/dog 62
Domestic Shorthair 44
Retriever - Golden 34
Holstein-Friesian also known as Holstein 25
Shepherd Dog - German 15
Shih Tzu 14
Shepherd Dog - Australian 14
Boxer (German Boxer) 13

Associated Drugs

Carprofen 150
Maropitant Citrate 62
Fluralaner Chew Tablets 44
Milbemycin Oxime + Spinosad 43
Oclacitinib Maleate 38
Cefovecin Sodium 36
Moxidectin 34
Afoxolaner 31
Spinosad 30
Deracoxib 29
Cefovecin 29
Maropitant 25
Meloxicam 21
Dexmedetomidine Hydrochloride 19
Enrofloxacin 19
Famotidine 19
Robenacoxib 18
Tramadol 18
Dexamethasone 16
Sam-E, Silybin, Vitamin E, Zinc 16

Nationwide reactions with similar profiles

Two openFDA-derived peer sets for PR-LIVER, LESION(S), 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 (772 here).

Similar death-coded share

Nearest other reactions by death-coded share (81.7% 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 PR-LIVER, LESION(S) (#471 of 2,481 by report volume); death-coded 81.7%. PlainBreed reaction plate · death-coded report count stamp 631 · 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 →