Reaction profile

The FDA adverse-event record for isosthenuria

300 FDA adverse-event reports reference isosthenuria (VeDDRA 2254). See the species, breeds, and drugs most associated with it below.

300
reports citing this reaction
14.0%
death-coded share
Dog
most-affected species
Trilostane
most-associated drug
Verify with FDA CVM →
300
Total Reports
42
Deaths
14.0%
Death Rate

Species Most Affected

Dog 263
Cat 34
Horse 3

Breeds Most Affected

Retriever - Labrador 35
Domestic Shorthair 23
Crossbred Canine/dog 18
Shepherd Dog - German 18
Boxer (German Boxer) 11
Terrier - Bull - American Pit 11
Chihuahua 10
Retriever - Golden 10
Beagle 8
Terrier (unspecified) 7

Associated Drugs

Trilostane 77
Bedinvetmab 76
Carprofen 38
Gabapentin 28
Meloxicam 21
Maropitant Citrate 19
Grapiprant 17
Fluralaner Chew Tablets 13
Oclacitinib Maleate 12
Anti-Il31 Mab Mcs Lot #1283563 12
Frunevetmab 11
Famotidine 9
Deracoxib 9
Cefovecin 8
Milbemycin Oxime + Spinosad 8
Firocoxib 7
Prednisone 7
Pyrantel Pamoate;Sarolaner 7
Afoxolaner 6
Leptospira Canicola L-15 Strain C-51;Leptospira Grippotyphosa 1550 Lot 10005 Str 6

Isosthenuria Reaction Insights

300 reports name Isosthenuria; 42 recorded a death outcome (14.0% of reported events, not a population-level mortality rate). VeDDRA code: 2254.

By species: Dog (263 reports), Cat (34 reports), Horse (3 reports). By breed: Retriever - Labrador (35), Domestic Shorthair (23), Crossbred Canine/dog (18).

Most co-reported drugs: Trilostane (77 reports), Bedinvetmab (76 reports), Carprofen (38 reports), Gabapentin (28 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.