Reaction profile

The FDA adverse-event record for decreased urine concentration

3,183 FDA reports name decreased urine concentration, a high-volume reaction in the CVM extract (VeDDRA 1963). Plate stamps and neighbourhood peers follow.

#147 of 2,481
by report volume (all reactions)
3,183
reports citing this reaction
13.9%
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. Decreased urine concentration has 3,183 reports now versus 3,155 in that prior snapshot: 28 more (0.9%).

Report change
+28
Death-coded reports
+4
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 Decreased urine concentration changes

FDA AER · VeDDRA plate

Code 1963 VOL-MID

VOL-MID · DEATH-ELEV · TOP-DECILE · PHOTO-FINISH · SPECIES-DOG · DRUG-LEAD · DESK-WIDE · BOOK-FULL

  • VOL-MID 3,183 reports
  • DEATH-ELEV 13.9%
  • TOP-DECILE #147/2481
  • PHOTO-FINISH Hyperkalaemia
  • SPECIES-DOG Dog · 2,810
  • DRUG-LEAD Trilostane · 1,052
  • DESK-WIDE 20 breeds
  • BOOK-FULL 8/8 fields

Nearest volume peer: Hyperkalaemia (±7 reports)

Upper-third report volume drives the scale stamps on this plate; death-coded share and co-report peers follow. Not a clinical diagnosis.

High-volume neighbourhood around Decreased urine concentration

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

Vomiting · highest174348Hair loss NOS · near3225Not himself/herself · near3198Decreased urine conce… · thi…3183Hyperkalaemia · near3176Recumbency · near3154Urinary tract neoplas… · low…10
FDA AER report volume · neighbourhood around Decreased urine concentration

What the FDA AER plate says about Decreased urine concentration

Signature read: 3,183 reports place Decreased urine concentration in the upper third of FDA AER volume (#147 of 2,481). Report volume is upper-third scale: 3,183 named reports in the openFDA extract. 442 of 3,183 reports were death-coded (13.9% of named reports, not a population mortality rate). Nearest volume peer: Hyperkalaemia (±7 reports). Lead species Dog (2,810). Lead co-reported drug Trilostane (1,052).

Read these counts as reporting volume, not risk: per our methodology, Lead co-reported drug Trilostane appears in filings alongside this reaction; that is association, not causation. Browse the full reactions index or the about page for how PlainBreed frames FDA CVM extracts.

Species Most Affected

Dog 2,810
Cat 357
Horse 14
Gerbil 1
Cougar 1

Breeds Most Affected

Retriever - Labrador 420
Crossbred Canine/dog 202
Domestic Shorthair 161
Retriever - Golden 143
Boxer (German Boxer) 110
Shepherd Dog - German 90
Beagle 90
Domestic (unspecified) 77
Chihuahua 75
Terrier - Yorkshire 64

Associated Drugs

Trilostane 1,052
Carprofen 425
Bedinvetmab 353
Oclacitinib Maleate 247
Meloxicam 209
Deracoxib 175
Gabapentin 174
Maropitant Citrate 138
Milbemycin Oxime + Spinosad 134
Prednisone 104
Afoxolaner 102
Grapiprant 82
Firocoxib 81
Tramadol 76
Moxidectin 64
Cefovecin 63
Fluralaner Chew Tablets 63
Spinosad 62
Cyclosporine 57
Pyrantel Pamoate;Sarolaner 53

Nationwide reactions with similar profiles

Two openFDA-derived peer sets for Decreased urine concentration, 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 (3,183 here).

Similar death-coded share

Nearest other reactions by death-coded share (13.9% 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 Decreased urine concentration (#147 of 2,481 by report volume); death-coded 13.9%. PlainBreed reaction plate · report volume stamp 3,183 · 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 →