Reaction profile

The FDA adverse-event record for dilated renal pelvis

73 FDA adverse-event reports reference dilated renal pelvis (VeDDRA 1993). See the species, breeds, and drugs most associated with it below.

73
reports citing this reaction
35.6%
death-coded share
Dog
most-affected species
Maropitant Citrate
most-associated drug
Verify with FDA CVM →
73
Total Reports
26
Deaths
35.6%
Death Rate

Species Most Affected

Dog 46
Cat 27

Breeds Most Affected

Domestic Shorthair 15
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 19
Carprofen 9
Gabapentin 8
Buprenorphine 7
Cefovecin 6
Trilostane 6
Grapiprant 6
Robenacoxib 5
Mirtazapine 5
Metronidazole 5
Meloxicam 4
Enrofloxacin 4
Prednisone 4
Bedinvetmab 4
Aluminum Hydroxide 3
Tramadol 3
Fluralaner Chew Tablets 3
Fluralaner Spot-On Solution 3
Butorphanol Tartrate 3
Fluid Therapy (Unknown) 3

Dilated renal pelvis Reaction Insights

73 reports name Dilated renal pelvis; 26 recorded a death outcome (35.6% of reported events, not a population-level mortality rate). VeDDRA code: 1993.

By species: Dog (46 reports), Cat (27 reports). By breed: Domestic Shorthair (15), Retriever - Labrador (6), Cat (unknown) (4).

Most co-reported drugs: Maropitant Citrate (19 reports), Carprofen (9 reports), Gabapentin (8 reports), Buprenorphine (7 reports).

Read these counts as reporting volume, not risk: per our methodology, co-reporting reflects temporal association captured in voluntary submissions, not proof that a drug caused this reaction. A widely-prescribed drug will rack up more raw co-reports at an identical true rate than a rarely-used one, so compare within similar-exposure products.

Source: FDA Center for Veterinary Medicine openFDA Animal & Veterinary Adverse Events (CVM AER) · 2025

Every figure on PlainBreed is rendered directly from FDA openFDA adverse event data, no number is typed in by an editor. This page draws directly on FDA openFDA data, no figure is typed in by an editor. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error.