Reaction profile

The FDA adverse-event record for rectal haemorrhage

57 FDA reports name rectal haemorrhage, a lower-volume reaction in the CVM extract (VeDDRA 271). Plate stamps and neighbourhood peers follow.

#1678 of 2,481
by report volume (all reactions)
57
reports citing this reaction
49.1%
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. Rectal haemorrhage has 57 reports now versus 57 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 haemorrhage changes

FDA AER · VeDDRA plate

Code 271 VOL-LOW

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

  • VOL-LOW 57 reports
  • DEATH-HOT 49.1%
  • MID-PACK #1678/2481
  • PHOTO-FINISH Atrial fibrillation
  • SPECIES-DOG Dog · 51
  • DRUG-LEAD Carprofen · 11
  • DESK-WIDE 20 breeds
  • BOOK-FULL 8/8 fields

Nearest volume peer: Atrial fibrillation (±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 haemorrhage

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

Vomiting · highest174348Atrial fibrillation · near57Epistaxis (unilateral) · near57Eyelid lump · near57Lack of efficacy (bac… · near57Rectal haemorrhage · this re…57Urinary tract neoplas… · low…10
FDA AER report volume · neighbourhood around Rectal haemorrhage

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

Signature read: Rectal haemorrhage's 49.1% death-coded share is among the highest in the openFDA reaction corpus. Report volume is lower-third scale: 57 named reports in the openFDA extract. Death-coded share is upper-third: 28 of 57 reports (49.1% of named reports). Nearest volume peer: Atrial fibrillation (±0 reports). Lead species Dog (51). Lead co-reported drug Carprofen (11).

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 51
Cat 5
Human 1

Breeds Most Affected

Retriever - Labrador 5
Crossbred Canine/dog 4
Terrier - Yorkshire 4
Domestic Shorthair 3
Chihuahua 3
Pointer (unspecified) 2
Mixed (Dog) 2
Unknown 2
Collie - Border 2
Retriever - Golden 2

Associated Drugs

Carprofen 11
Maropitant Citrate 8
Polysulfated Glycosaminoglycan 6
Isoflurane 4
Gabapentin 4
Metronidazole 4
Moxidectin 4
Oclacitinib Maleate 4
Fluralaner Chew Tablets 4
Imidacloprid + Moxidectin 3
Selamectin 3
Famotidine 3
Rabies Virus, Kv 3
Fenbendazol Granules 3
Diphenhydramine Hcl 3
Doxycycline 3
Spinosad 2
Propofol 2
Buprenorphine 2
Enrofloxacin 2

Nationwide reactions with similar profiles

Two openFDA-derived peer sets for Rectal haemorrhage, both floored at ≥50 reports so the neighborhoods stay in the advertised mass (the volume chart above is the unfloored photo-finish strip).

Similar death-coded share

Nearest other reactions by death-coded share (49.1% 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 Rectal haemorrhage (#1678 of 2,481 by report volume); death-coded 49.1%. PlainBreed reaction plate · death-coded share stamp 49.1% · 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 →