Reaction profile

The FDA adverse-event record for pr-heart, lesion(s)

385 FDA reports name pr-heart, lesion(s), a high-volume reaction in the CVM extract (VeDDRA 99619). Plate stamps and neighbourhood peers follow.

#747 of 2,481
by report volume (all reactions)
385
reports citing this reaction
99.2%
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. PR-HEART, LESION(S) has 385 reports now versus 384 in that prior snapshot: 1 more (0.3%).

Report change
+1
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 PR-HEART, LESION(S) changes

FDA AER · VeDDRA plate

Code 99619 VOL-LOW

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

  • VOL-LOW 385 reports
  • DEATH-HOT 99.2%
  • MID-PACK #747/2481
  • PHOTO-FINISH Generalised rash
  • SPECIES-DOG Dog · 191
  • DRUG-LEAD Milbemycin Oxime… · 30
  • DESK-WIDE 20 breeds
  • BOOK-FULL 8/8 fields

Nearest volume peer: Generalised rash (±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.

High-volume neighbourhood around PR-HEART, LESION

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

Vomiting · highest174348Chattering of teeth · near386Generalised rash · near385PR-HEART, LESION(S) · this r…385Splenic neoplasm · near385Petechiae NOS · near384Urinary tract neoplas… · low…10
FDA AER report volume · neighbourhood around PR-HEART, LESION(S)

PR-HEART, LESION(S): high death-coded share in the FDA AER plate

Signature read: PR-HEART, LESION(S)'s 99.2% death-coded share is among the highest in the openFDA reaction corpus. Report volume is upper-third scale: 385 named reports in the openFDA extract. Death-coded share is upper-third: 382 of 385 reports (99.2% of named reports). Nearest volume peer: Generalised rash (±0 reports). Lead species Dog (191). Lead co-reported drug Milbemycin Oxime + Spinosad (30).

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 191
Cat 120
Cattle 53
Horse 9
Pig 4
Guinea Pig 2
Rabbit 2
Goat 1
Chicken 1
Sheep 1

Breeds Most Affected

Domestic (unspecified) 46
Domestic Shorthair 41
Retriever - Labrador 23
Crossbred Canine/dog 23
Holstein-Friesian also known as Holstein 15
Crossbred Bovine/Cattle 12
Cattle (unknown) 12
Chihuahua 12
Cat (unknown) 10
Cattle (other) 7

Associated Drugs

Milbemycin Oxime + Spinosad 30
Spinosad 26
Carprofen 25
Cefovecin Sodium 23
Cefovecin 20
Maropitant Citrate 20
Dexmedetomidine Hydrochloride 18
Moxidectin 16
Selamectin 15
Afoxolaner 14
Oclacitinib Maleate 13
Fluralaner Chew Tablets 13
Monensin 11
Deracoxib 10
Buprenorphine 10
Imidacloprid + Moxidectin 9
Isoflurane 9
Robenacoxib 9
Maropitant 8
Monensin Sodium 8

Nationwide reactions with similar profiles

Two openFDA-derived peer sets for PR-HEART, LESION(S), 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 (385 here).

Similar death-coded share

Nearest other reactions by death-coded share (99.2% 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 PR-HEART, LESION(S) (#747 of 2,481 by report volume); death-coded 99.2%. PlainBreed reaction plate · death-coded share stamp 99.2% · 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 →