Reaction profile

The FDA adverse-event record for gall bladder mucocele

75 FDA adverse-event reports reference gall bladder mucocele (VeDDRA 2627). Plate codes and volume neighbourhood below; species, breeds, and drugs follow.

#1535 of 2,481
by report volume (all reactions)
75
reports citing this reaction
37.3%
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. Gall bladder mucocele has 75 reports now versus 70 in that prior snapshot: 5 more (7.1%).

Report change
+5
Death-coded reports
+0
Death-coded share
−2.7 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 Gall bladder mucocele changes

FDA AER · VeDDRA plate

Code 2627 VOL-LOW

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

  • VOL-LOW 75 reports
  • DEATH-HOT 37.3%
  • MID-PACK #1535/2481
  • PHOTO-FINISH Hypersensitivity to l…
  • SPECIES-DOG Dog · 75
  • DRUG-LEAD Trilostane · 51
  • DESK-WIDE 20 breeds
  • BOOK-FULL 8/8 fields

Nearest volume peer: Hypersensitivity to light (±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 Gall bladder mucocele

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

Vomiting · highest174348Gall bladder mucocele · this…75Hypersensitivity to l… · near75Hypersensitivity to m… · near75Lip erythema · near75Tooth loss · near75Urinary tract neoplas… · low…10
FDA AER report volume · neighbourhood around Gall bladder mucocele

Gall bladder mucocele: high death-coded share in the FDA AER plate

Signature read: Gall bladder mucocele's 37.3% death-coded share is among the highest in the openFDA reaction corpus. Report volume sits in the middle third of the reaction corpus. Death-coded share is upper-third: 28 of 75 reports (37.3% of named reports). Nearest volume peer: Hypersensitivity to light (±0 reports). Lead species Dog (75). Lead co-reported drug Trilostane (51).

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 75

Breeds Most Affected

Chihuahua 8
Spitz - German Pomeranian 5
Bichon Frise 4
Spaniel (unspecified) 4
Pug 3
Havanese 3
Terrier - Yorkshire 3
Crossbred Canine/dog 3
Terrier (unspecified) 3
Shih Tzu 3

Associated Drugs

Trilostane 51
Bedinvetmab 13
Maropitant Citrate 9
Gabapentin 9
Carprofen 8
Fluralaner 13.64% 12-Week Chew 8
Grapiprant 6
Oclacitinib Maleate 5
Levothyroxine 5
Pimobendan 5
Same 4
Afoxolaner 4
Insulin Injectable Vial 3
Moxidectin 3
Prednisone 3
Metronidazole 3
Polysulfated Glycosaminoglycan 3
Furosemide 3
Enrofloxacin 3
Buprenorphine 3

Nationwide reactions with similar profiles

Two openFDA-derived peer sets for Gall bladder mucocele, 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 (75 here).

Similar death-coded share

Nearest other reactions by death-coded share (37.3% 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 Gall bladder mucocele (#1535 of 2,481 by report volume); death-coded 37.3%. PlainBreed reaction plate · death-coded share stamp 37.3% · 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 →