Reaction profile

The FDA adverse-event record for vascular dilation and/or rupture

23 FDA reports name vascular dilation and/or rupture, a lower-volume reaction in the CVM extract (VeDDRA 242). Plate stamps and neighbourhood peers follow.

#2120 of 2,481
by report volume (all reactions)
23
reports citing this reaction
39.1%
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. Vascular dilation and/or rupture has 23 reports now versus 23 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 Vascular dilation and/or rupture changes

FDA AER · VeDDRA plate

Code 242 VOL-TRACE

VOL-TRACE · DEATH-HOT · LOWER-Q · PHOTO-FINISH · SPECIES-DOG · DRUG-LEAD · DESK-WIDE · BOOK-FULL

  • VOL-TRACE 23 reports
  • DEATH-HOT 39.1%
  • LOWER-Q #2120/2481
  • PHOTO-FINISH Anal oedema
  • SPECIES-DOG Dog · 17
  • DRUG-LEAD Milbemycin Oxime… · 3
  • DESK-WIDE 17 breeds
  • BOOK-FULL 8/8 fields

Nearest volume peer: Anal oedema (±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.

Lower-volume neighbourhood around Vascular dilation and/or rupture

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

Vomiting · highest174348Anal oedema · near23Boil · near23Cervical spondylopathy · near23Chewing at injection… · near23Vascular dilation and… · thi…23Urinary tract neoplas… · low…10
FDA AER report volume · neighbourhood around Vascular dilation and/or rupture

Vascular dilation and/or rupture: high death-coded share in the FDA AER plate

Signature read: 23 reports place Vascular dilation and/or rupture in the lower third of FDA AER volume (#2120 of 2,481). Report volume is lower-third scale: 23 named reports in the openFDA extract. Death-coded share is upper-third: 9 of 23 reports (39.1% of named reports). Nearest volume peer: Anal oedema (±0 reports). Lead species Dog (17). Lead co-reported drug Milbemycin Oxime + Spinosad (3).

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 17
Cat 2
Human 2
Primate 1
Unknown 1

Breeds Most Affected

Siberian Husky 3
Unknown 3
Domestic Shorthair 2
Pinscher - Miniature 2
Corgi (unspecified) 1
Dachshund (unspecified) 1
Shepherd Dog - Australian 1
Collie (unspecified) 1
Schnauzer - Miniature 1
Chihuahua 1

Associated Drugs

Milbemycin Oxime + Spinosad 3
Pimobendan 2
Milbemycin Oxime, Lufenuron 2
Melarsomine Dihydrochloride 2
Device: Catheter 2
Maropitant 2
Marbofloxacin 1
Tramadol 1
Pregabalin 1
Selamectin 1
Lufenuron + Milbemycin Oxime 1
Spinosad 1
Milbemcyin Oxime, Lufenuron, Praziquantel 1
Ivermectin/Pyrantel 1
Rabies Vaccine 1
Moxidectin 1
Acepromazine Maleate 1
Fluralaner 13.64% 12-Week Chew 1
Ivermectin + Pyrantel 1
Isoflurane 1

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 Vascular dilation and/or rupture (#2120 of 2,481 by report volume); death-coded 39.1%. PlainBreed reaction plate · report volume stamp 23 · 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 →