Reaction profile

The FDA adverse-event record for heart valve disorder

205 FDA adverse-event reports reference heart valve disorder (VeDDRA 1515). Plate codes and volume neighbourhood below; species, breeds, and drugs follow.

#1020 of 2,481
by report volume (all reactions)
205
reports citing this reaction
39.0%
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. Heart valve disorder has 205 reports now versus 202 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 Heart valve disorder changes

FDA AER · VeDDRA plate

Code 1515 VOL-LOW

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

  • VOL-LOW 205 reports
  • DEATH-HOT 39.0%
  • MID-PACK #1020/2481
  • PHOTO-FINISH Hypermetria
  • SPECIES-DOG Dog · 196
  • DRUG-LEAD Milbemycin Oxime… · 46
  • DESK-WIDE 20 breeds
  • BOOK-FULL 8/8 fields

Nearest volume peer: Hypermetria (±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 Heart valve disorder

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

Vomiting · highest174348Gum disorder NOS · near206Heart valve disorder · this …205Hypermetria · near205Leukocytosis NOS · near205Palpebral disorder NOS · near205Urinary tract neoplas… · low…10
FDA AER report volume · neighbourhood around Heart valve disorder

Heart valve disorder: high death-coded share in the FDA AER plate

Signature read: Heart valve disorder's 39.0% 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: 80 of 205 reports (39.0% of named reports). Nearest volume peer: Hypermetria (±0 reports). Lead species Dog (196). Lead co-reported drug Milbemycin Oxime + Spinosad (46).

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 196
Cat 7
Cattle 2

Breeds Most Affected

Chihuahua 19
Retriever - Labrador 16
Crossbred Canine/dog 13
Retriever - Golden 9
Shih Tzu 9
Shepherd Dog - German 7
Dachshund (unspecified) 7
Spaniel - King Charles Cavalier 6
Terrier (unspecified) 6
Dog (unknown) 6

Associated Drugs

Milbemycin Oxime + Spinosad 46
Trilostane 22
Pimobendan 15
Bedinvetmab 14
Moxidectin 13
Carprofen 13
Spinosad 12
Fluralaner Chew Tablets 12
Afoxolaner 12
Ivermectin + Pyrantel As Pamoate Salt 10
Oclacitinib Maleate 9
Fluralaner 13.64% 12-Week Chew 9
Gabapentin 8
Prednisone 7
Buprenorphine 7
Tramadol 6
Doxycycline 6
Maropitant Citrate 6
Grapiprant 6
Milbemycin Oxime + Praziquantel 6

Nationwide reactions with similar profiles

Two openFDA-derived peer sets for Heart valve disorder, 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 (205 here).

Similar death-coded share

Nearest other reactions by death-coded share (39.0% 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 Heart valve disorder (#1020 of 2,481 by report volume); death-coded 39.0%. PlainBreed reaction plate · death-coded share stamp 39.0% · 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 →