Reaction profile

The FDA adverse-event record for ovarian cyst

Name: Ovarian cyst - FDA Animal Adverse Reaction
Creator: PlainBreed
License: https://open.fda.gov/license/

17 FDA reports name ovarian cyst, a lower-volume reaction in the CVM extract (VeDDRA 771). Plate stamps and neighbourhood peers follow.

#2251 of 2,481
by report volume (all reactions): 17
reports citing this reaction: 5.9%
death-coded share: Cattle
most-affected species

Compiled by PlainBreed

Verify with FDA CVM →

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. Ovarian cyst has 17 reports now versus 17 in that prior snapshot: 0 the same number of (0.0%).

Report change: +0
Death-coded reports: +0
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 Ovarian cyst changes

FDA AER · VeDDRA plate

Code 771 VOL-TRACE

VOL-TRACE · DEATH-PAR · BOTTOM-DECILE · PHOTO-FINISH · SPECIES-CATTLE · DRUG-LEAD · DESK-WIDE · BOOK-FULL

VOL-TRACE 17 reports
DEATH-PAR 5.9%
BOTTOM-DECILE #2251/2481
PHOTO-FINISH Anoestrus
SPECIES-CATTLE Cattle · 10
DRUG-LEAD Monensin Sodium · 5
DESK-WIDE 10 breeds
BOOK-FULL 8/8 fields

Nearest volume peer: Anoestrus (±0 reports)

Instrument codes from this reaction’s FDA CVM adverse-event extract: volume band, death-coded share, corpus rank, photo-finish peer, lead species, lead drug, breed desk, and book completeness. Not a clinical diagnosis.

Lower-volume neighbourhood around Ovarian cyst

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

FDA AER report volume · neighbourhood around Ovarian cyst

Ovarian cyst: low death-coded share in the FDA AER plate

Signature read: 17 reports place Ovarian cyst in the lower third of FDA AER volume (#2251 of 2,481). Report volume is lower-third scale: 17 named reports in the openFDA extract. Death-coded share is lower-third: 1 of 17 reports (5.9% of named reports). Nearest volume peer: Anoestrus (±0 reports). Lead species Cattle (10). Lead co-reported drug Monensin Sodium (5).

Read these counts as reporting volume, not risk: per our methodology, Lead co-reported drug Monensin Sodium 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

Cattle 10

Dog 6

Human 1

Breeds Most Affected

Holstein-Friesian also known as Holstein 6

Cattle (other) 2

Retriever - Labrador 2

Schnauzer (unspecified) 1

Terrier - Airedale 1

Aberdeen Angus 1

Mixed (Cattle) 1

Unknown 1

Chihuahua 1

Cattle Dog - Australian (blue heeler, red heeler, Queensland cattledog) 1

Associated Drugs

Monensin Sodium 5

Trilostane 3

Spinosad 2

Dinoprost Tromethamine 2

Melengestrol Acetate 1

Milbemycin Oxime + Spinosad 1

Gonadorelindiacetate Tetrahydrate Injection 1

Levothyroxine Sodium 1

Pegbovigrastim 1

Imidacloprid + Moxidectin 1

Leptospirosis 1

Bordetella 1

Shampoo 1

Influenza Vaccine 1

Distemper Combination Vaccine 1

Rabies Vaccine 1

2% Lidocaine 1

Tiletamine Hcl/Zolazepam 1

Torbugesic 1

Dexmedetomidine 1

What to do with this reaction

Read how death-coded share differs from a mortality rate before drawing conclusions. Understanding adverse events
Browse the full reaction directory to compare report counts across reaction types. All reactions

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 Ovarian cyst (#2251 of 2,481 by report volume); death-coded 5.9%. PlainBreed reaction plate · report volume stamp 17 · 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 →