Reaction profile

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

102 FDA adverse-event reports reference pr-brain, lesion(s) (VeDDRA 99595). Plate codes and volume neighbourhood below; species, breeds, and drugs follow.

#1386 of 2,481
by report volume (all reactions)
102
reports citing this reaction
97.1%
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-BRAIN, LESION(S) has 102 reports now versus 101 in that prior snapshot: 1 more (1.0%).

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-BRAIN, LESION(S) changes

FDA AER · VeDDRA plate

Code 99595 VOL-LOW

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

  • VOL-LOW 102 reports
  • DEATH-HOT 97.1%
  • MID-PACK #1386/2481
  • PHOTO-FINISH Agglutination test, p…
  • SPECIES-DOG Dog · 67
  • DRUG-LEAD Milbemycin Oxime… · 16
  • DESK-WIDE 20 breeds
  • BOOK-FULL 8/8 fields

Nearest volume peer: Agglutination test, positive (±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 PR-BRAIN, LESION

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

Vomiting · highest174348Agglutination test, p… · near102Difficulty chewing · near102Facial rash (For urti… · near102Injection site sarcoma · near102PR-BRAIN, LESION(S) · this r…102Urinary tract neoplas… · low…10
FDA AER report volume · neighbourhood around PR-BRAIN, LESION(S)

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

Signature read: PR-BRAIN, LESION(S)'s 97.1% 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: 99 of 102 reports (97.1% of named reports). Nearest volume peer: Agglutination test, positive (±0 reports). Lead species Dog (67). Lead co-reported drug Milbemycin Oxime + Spinosad (16).

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 67
Cat 14
Cattle 9
Horse 7
Pig 2
Guinea Pig 1
Alpaca 1
Turtle 1

Breeds Most Affected

Crossbred Canine/dog 7
Domestic Shorthair 6
Boxer (German Boxer) 6
Chihuahua 6
Retriever - Labrador 5
Holstein-Friesian also known as Holstein 4
Retriever - Golden 4
Terrier - Yorkshire 4
Shepherd Dog - Australian 4
Beagle 4

Associated Drugs

Milbemycin Oxime + Spinosad 16
Maropitant Citrate 8
Moxidectin 7
Carprofen 6
Afoxolaner 6
Oclacitinib Maleate 6
Cefovecin 5
Fluralaner Chew Tablets 5
Cefovecin Sodium 4
Spinosad 3
Propofol 3
Imidacloprid + Moxidectin 3
Cefpodoxime Proxetil 3
Ceftiofur Crystalline Free Acid 3
Phenobarbital 3
Dexamethasone 3
Enrofloxacin 3
Fenbendazol Suspension 3
Tulathromycin 2
Ceftiofur 2

Nationwide reactions with similar profiles

Two openFDA-derived peer sets for PR-BRAIN, 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 death-coded share

Nearest other reactions by death-coded share (97.1% 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-BRAIN, LESION(S) (#1386 of 2,481 by report volume); death-coded 97.1%. PlainBreed reaction plate · death-coded share stamp 97.1% · 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 →