Reaction profile

The FDA adverse-event record for dilated renal pelvis

80 FDA adverse-event reports reference dilated renal pelvis (VeDDRA 1993). Plate codes and volume neighbourhood below; species, breeds, and drugs follow.

#1498 of 2,481
by report volume (all reactions)
80
reports citing this reaction
32.5%
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. Dilated renal pelvis has 80 reports now versus 73 in that prior snapshot: 7 more (9.6%).

Report change
+7
Death-coded reports
+0
Death-coded share
−3.1 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 Dilated renal pelvis changes

FDA AER · VeDDRA plate

Code 1993 VOL-LOW

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

  • VOL-LOW 80 reports
  • DEATH-HOT 32.5%
  • MID-PACK #1498/2481
  • PHOTO-FINISH Cardiac neoplasm
  • SPECIES-DOG Dog · 47
  • DRUG-LEAD Maropitant Citrate · 21
  • DESK-WIDE 20 breeds
  • BOOK-FULL 8/8 fields

Nearest volume peer: Cardiac neoplasm (±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.

Report-volume neighbourhood around Dilated renal pelvis

Highest and lowest poles plus nearest volume peers, not a full 2,500-reaction corpus board reprint.

Vomiting · highest174348Cardiac neoplasm · near80Dilated renal pelvis · this …80Erythema multiforme · near80Hernia NOS · near80Hip dysplasia · near80Urinary tract neoplas… · low…10
FDA AER report volume · neighbourhood around Dilated renal pelvis

Dilated renal pelvis: high death-coded share in the FDA AER plate

Signature read: Dilated renal pelvis's 32.5% death-coded share is among the highest in the openFDA reaction corpus. Report volume sits in the middle third of the reaction corpus. Death-coded share is upper-third: 26 of 80 reports (32.5% of named reports). Nearest volume peer: Cardiac neoplasm (±0 reports). Lead species Dog (47). Lead co-reported drug Maropitant Citrate (21).

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 47
Cat 31
Horse 2

Breeds Most Affected

Domestic Shorthair 18
Retriever - Labrador 6
Cat (unknown) 4
Dachshund (unspecified) 3
Retriever - Golden 3
Crossbred Canine/dog 3
Persian 2
Pug 2
Beagle 2
Chihuahua 2

Associated Drugs

Maropitant Citrate 21
Gabapentin 10
Carprofen 9
Buprenorphine 7
Robenacoxib 6
Cefovecin 6
Trilostane 6
Metronidazole 6
Grapiprant 6
Mirtazapine 5
Enrofloxacin 5
Prednisone 5
Bedinvetmab 5
Meloxicam 4
Midazolam 4
Fluid Therapy (Unknown) 4
Fluid Therapy 4
Amoxicillin + Clavulanic Acid 4
Aluminum Hydroxide 3
Tramadol 3

Nationwide reactions with similar profiles

Two openFDA-derived peer sets for Dilated renal pelvis, 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 (80 here).

Similar death-coded share

Nearest other reactions by death-coded share (32.5% 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 Dilated renal pelvis (#1498 of 2,481 by report volume); death-coded 32.5%. PlainBreed reaction plate · death-coded share stamp 32.5% · 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 →