Reaction profile

The FDA adverse-event record for rectal mass

Name: Rectal mass - FDA Animal Adverse Reaction
Creator: PlainBreed
License: https://open.fda.gov/license/

14 FDA reports name rectal mass, a lower-volume reaction in the CVM extract (VeDDRA 2842). Plate stamps and neighbourhood peers follow.

#2337 of 2,481
by report volume (all reactions): 14
reports citing this reaction: 28.6%
death-coded share: Dog
most-affected species

Compiled by PlainBreed

Verify with FDA CVM →

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. Rectal mass has 14 reports now versus 14 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 Rectal mass changes

FDA AER · VeDDRA plate

Code 2842 VOL-TRACE

VOL-TRACE · DEATH-HOT · BOTTOM-DECILE · PHOTO-FINISH · SPECIES-DOG · DRUG-LEAD · DESK-WIDE · BOOK-FULL

VOL-TRACE 14 reports
DEATH-HOT 28.6%
BOTTOM-DECILE #2337/2481
PHOTO-FINISH Addisonian crisis
SPECIES-DOG Dog · 12
DRUG-LEAD Bedinvetmab · 4
DESK-WIDE 10 breeds
BOOK-FULL 8/8 fields

Nearest volume peer: Addisonian crisis (±0 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.

Lower-volume neighbourhood around Rectal mass

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

FDA AER report volume · neighbourhood around Rectal mass

Rectal mass: high death-coded share in the FDA AER plate

Signature read: 14 reports place Rectal mass in the lower third of FDA AER volume (#2337 of 2,481). Report volume is lower-third scale: 14 named reports in the openFDA extract. Death-coded share is upper-third: 4 of 14 reports (28.6% of named reports). Nearest volume peer: Addisonian crisis (±0 reports). Lead species Dog (12). Lead co-reported drug Bedinvetmab (4).

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 12

Horse 1

Cat 1

Breeds Most Affected

Crossbred Canine/dog 4

Siberian Husky 2

Quarter Horse 1

Domestic Shorthair 1

Retriever - Labrador 1

Hound - Basset 1

Papillon - Spaniel - Continental Toy (with erect ears or with dropped ears (Phaléne)) 1

Doberman Pinscher 1

Terrier - Airedale 1

Shepherd Dog - Belgian Malinois 1

Associated Drugs

Bedinvetmab 4

Ivermectin + Pyrantel As Pamoate Salt 2

Maropitant Citrate 2

Carprofen 2

Gabapentin 2

Ilunocitinib 2

Oclacitinib Maleate 2

Anti-Il31 Mab Mcs Lot #1283563 2

Omeprazole 1

Sucralfate 1

Frunevetmab 1

Melarsomine Dihydrochloride 1

Unspecified Vitamins 1

Methocarbamol 1

Vitamin B12 1

Amoxi-Clav Tablets 1

Moxidectin 1

Intravenous Fluids 1

Ampicillin 1

Zenalpha 1

What to do with this reaction

Read how death-coded share differs from a mortality rate before drawing conclusions. Understanding adverse events
Browse the full reaction directory to compare report counts across reaction types. All reactions

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 Rectal mass (#2337 of 2,481 by report volume); death-coded 28.6%. PlainBreed reaction plate · report volume stamp 14 · 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 →