Reaction profile

The FDA adverse-event record for calculi

199 FDA adverse-event reports reference calculi (VeDDRA 741). Plate codes and volume neighbourhood below; species, breeds, and drugs follow.

#1037 of 2,481
by report volume (all reactions)
199
reports citing this reaction
25.6%
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. Calculi has 199 reports now versus 196 in that prior snapshot: 3 more (1.5%).

Report change
+3
Death-coded reports
+1
Death-coded share
+0.1 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 Calculi changes

FDA AER · VeDDRA plate

Code 741 VOL-LOW

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

  • VOL-LOW 199 reports
  • DEATH-HOT 25.6%
  • MID-PACK #1037/2481
  • PHOTO-FINISH Anal and rectal disor…
  • SPECIES-DOG Dog · 143
  • DRUG-LEAD Trilostane · 17
  • DESK-WIDE 20 breeds
  • BOOK-FULL 8/8 fields

Nearest volume peer: Anal and rectal disorder NOS (±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 Calculi

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

Vomiting · highest174348Anal and rectal disor… · near199Calculi · this reaction199Eye itching · near199Harsh lung sounds · near199Tense muscles · near199Urinary tract neoplas… · low…10
FDA AER report volume · neighbourhood around Calculi

Calculi: high death-coded share in the FDA AER plate

Signature read: 51 death-coded reports is a heavy tail count for Calculi in the CVM extract. Report volume sits in the middle third of the reaction corpus. Death-coded share is upper-third: 51 of 199 reports (25.6% of named reports). Nearest volume peer: Anal and rectal disorder NOS (±0 reports). Lead species Dog (143). Lead co-reported drug Trilostane (17).

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 143
Cat 51
Cattle 3
Goat 1
Squirrel 1

Breeds Most Affected

Domestic Shorthair 21
Shih Tzu 19
Domestic (unspecified) 11
Terrier - Yorkshire 10
Crossbred Canine/dog 8
Schnauzer (unspecified) 8
Bichon Frise 6
Domestic Longhair 6
Shepherd Dog - Australian 5
Schnauzer - Miniature 5

Associated Drugs

Trilostane 17
Cyclosporine 16
Oclacitinib Maleate 15
Gabapentin 15
Milbemycin Oxime + Spinosad 14
Carprofen 13
Maropitant Citrate 13
Enrofloxacin 12
Cefovecin 12
Ivermectin + Pyrantel As Pamoate Salt 9
Meloxicam 8
Spinosad 8
Afoxolaner 8
Cefovecin Sodium 7
Famotidine 7
Buprenorphine 7
Bexagliflozin 7
Bedinvetmab 7
Prednisone 6
Frunevetmab 6

Nationwide reactions with similar profiles

Two openFDA-derived peer sets for Calculi, 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 (199 here).

Similar death-coded share

Nearest other reactions by death-coded share (25.6% 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 Calculi (#1037 of 2,481 by report volume); death-coded 25.6%. PlainBreed reaction plate · death-coded report count stamp 51 · 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 →