Reaction profile

The FDA adverse-event record for crystalluria

769 FDA reports name crystalluria, a high-volume reaction in the CVM extract (VeDDRA 2028). Plate stamps and neighbourhood peers follow.

#474 of 2,481
by report volume (all reactions)
769
reports citing this reaction
10.4%
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. Crystalluria has 769 reports now versus 756 in that prior snapshot: 13 more (1.7%).

Report change
+13
Death-coded reports
+1
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 Crystalluria changes

FDA AER · VeDDRA plate

Code 2028 VOL-MID

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

  • VOL-MID 769 reports
  • DEATH-ELEV 10.4%
  • UPPER-Q #474/2481
  • PHOTO-FINISH Diabetes mellitus
  • SPECIES-DOG Dog · 642
  • DRUG-LEAD Milbemycin Oxime… · 98
  • DESK-WIDE 20 breeds
  • BOOK-FULL 8/8 fields

Nearest volume peer: Diabetes mellitus (±1 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 Crystalluria

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

Vomiting · highest174348PR-LIVER, LESION(S) · near772Diabetes mellitus · near770Quiet · near770Crystalluria · this reaction769Hypoadrenocorticism · near768Urinary tract neoplas… · low…10
FDA AER report volume · neighbourhood around Crystalluria

What the FDA AER plate says about Crystalluria

Signature read: 769 reports place Crystalluria in the upper third of FDA AER volume (#474 of 2,481). Report volume is upper-third scale: 769 named reports in the openFDA extract. 80 of 769 reports were death-coded (10.4% of named reports, not a population mortality rate). Nearest volume peer: Diabetes mellitus (±1 reports). Lead species Dog (642). Lead co-reported drug Milbemycin Oxime + Spinosad (98).

Read these counts as reporting volume, not risk: per our methodology, Lead co-reported drug Milbemycin Oxime + Spinosad 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 642
Cat 124
Horse 3

Breeds Most Affected

Retriever - Labrador 86
Domestic Shorthair 81
Crossbred Canine/dog 43
Retriever - Golden 30
Shih Tzu 27
Boxer (German Boxer) 21
Chihuahua 21
Terrier - Yorkshire 19
Collie - Border 15
Shepherd Dog - German 14

Associated Drugs

Milbemycin Oxime + Spinosad 98
Carprofen 83
Trilostane 58
Oclacitinib Maleate 53
Bedinvetmab 50
Afoxolaner 45
Fluralaner Chew Tablets 38
Spinosad 30
Maropitant Citrate 29
Gabapentin 29
Cyclosporine 25
Deracoxib 24
Pyrantel Pamoate;Sarolaner 22
Cefovecin 19
Cephalexin 19
Fluralaner 13.64% 12-Week Chew 19
Prednisone 18
Ivermectin + Pyrantel As Pamoate Salt 18
Meloxicam 17
Cefovecin Sodium 17

Nationwide reactions with similar profiles

Two openFDA-derived peer sets for Crystalluria, 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 (769 here).

Similar death-coded share

Nearest other reactions by death-coded share (10.4% 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 Crystalluria (#474 of 2,481 by report volume); death-coded 10.4%. PlainBreed reaction plate · report volume stamp 769 · 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 →