Reaction profile

The FDA adverse-event record for haemorrhagic bladder

22 FDA reports name haemorrhagic bladder, a lower-volume reaction in the CVM extract (VeDDRA 730). Plate stamps and neighbourhood peers follow.

#2126 of 2,481
by report volume (all reactions)
22
reports citing this reaction
50.0%
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. Haemorrhagic bladder has 22 reports now versus 21 in that prior snapshot: 1 more (4.8%).

Report change
+1
Death-coded reports
+0
Death-coded share
−2.4 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 Haemorrhagic bladder changes

FDA AER · VeDDRA plate

Code 730 VOL-TRACE

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

  • VOL-TRACE 22 reports
  • DEATH-HOT 50.0%
  • LOWER-Q #2126/2481
  • PHOTO-FINISH Adenocarcinoma NOS
  • SPECIES-DOG Dog · 14
  • DRUG-LEAD Gabapentin · 6
  • DESK-WIDE 15 breeds
  • BOOK-FULL 8/8 fields

Nearest volume peer: Adenocarcinoma NOS (±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 Haemorrhagic bladder

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

Vomiting · highest174348Adenocarcinoma NOS · near22Bolus, Abnormal · near22Bone marrow aplasia · near22CEREBROSPINAL FLUID A… · near22Haemorrhagic bladder · this …22Urinary tract neoplas… · low…10
FDA AER report volume · neighbourhood around Haemorrhagic bladder

Haemorrhagic bladder: high death-coded share in the FDA AER plate

Signature read: Haemorrhagic bladder's 50.0% death-coded share is among the highest in the openFDA reaction corpus. Report volume is lower-third scale: 22 named reports in the openFDA extract. Death-coded share is upper-third: 11 of 22 reports (50.0% of named reports). Nearest volume peer: Adenocarcinoma NOS (±0 reports). Lead species Dog (14). Lead co-reported drug Gabapentin (6).

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 14
Cat 8

Breeds Most Affected

Domestic Shorthair 5
Domestic Longhair 2
Shepherd Dog - Australian 2
Boxer (German Boxer) 2
Retriever - Golden 1
Pekingese 1
Papillon - Spaniel - Continental Toy (with erect ears or with dropped ears (Phaléne)) 1
Pit Bull 1
Doberman Pinscher 1
Retriever - Labrador 1

Associated Drugs

Gabapentin 6
Leptospira-Canicola-Grippotyphosa-Icterohaemorrhagiae-Pomona Bacterial Extract 4
Ketamine 3
Frunevetmab 3
Deracoxib 3
Milbemycin Oxime + Spinosad 2
Cefovecin 2
Anesthetic 2
Robenacoxib 2
Acepromazine 2
Fentanyl 2
Meloxicam 2
Methimazole 2
Onsior 2
Cyclosporine 2
Canine Distemper-Adenovirus Type 2-Parainfluenza-Parvovirus Vaccine, Modified Live Virus 2
Prednisone 2
Ondansetron 2
Carprofen 2
Ilunocitinib 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 Haemorrhagic bladder (#2126 of 2,481 by report volume); death-coded 50.0%. PlainBreed reaction plate · death-coded share stamp 50.0% · 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 →