Reaction profile

The FDA adverse-event record for collapse (see also 'cardio-vascular' and 'systemic disorders')

2,438 FDA reports name collapse (see also 'cardio-vascular' and 'systemic disorders'), a high-volume reaction in the CVM extract (VeDDRA 668). Plate stamps and neighbourhood peers follow.

#194 of 2,481
by report volume (all reactions)
2,438
reports citing this reaction
35.7%
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. Collapse (see also 'Cardio-vascular' and 'Systemic disorders') has 2,075 reports now versus 2,075 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 Collapse (see also 'Cardio-vascular' and 'Systemic disorders') changes

FDA AER · VeDDRA plate

Code 668 VOL-MID

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

  • VOL-MID 2,438 reports
  • DEATH-HOT 35.7%
  • TOP-DECILE #194/2481
  • PHOTO-FINISH Elevated temperature
  • SPECIES-DOG Dog · 1,655
  • DRUG-LEAD Milbemycin Oxime… · 213
  • DESK-WIDE 20 breeds
  • BOOK-FULL 8/8 fields

Nearest volume peer: Elevated temperature (±4 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 Collapse

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

Vomiting · highest174348Nystagmus · near2489Head tremor · near2485Collapse (see also 'C… · thi…2438Elevated temperature · near2434Abnormal breathing · near2381Urinary tract neoplas… · low…10
FDA AER report volume · neighbourhood around Collapse (see also 'Cardio-vascular' and 'Systemic disorders')

Collapse (see also 'Cardio-vascular' and 'Systemic disorders'): high death-coded share in the FDA AER plate

Signature read: 871 death-coded reports is a heavy tail count for Collapse (see also 'Cardio-vascular' and 'Systemic disorders') in the CVM extract. Report volume is upper-third scale: 2,438 named reports in the openFDA extract. Death-coded share is upper-third: 871 of 2,438 reports (35.7% of named reports). Nearest volume peer: Elevated temperature (±4 reports). Lead species Dog (1,655). Lead co-reported drug Milbemycin Oxime + Spinosad (213).

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 1,655
Cat 174
Cattle 145
Horse 85
Pig 6
Goat 2
Sheep 2
Other 1
Rabbit 1
Chicken 1

Breeds Most Affected

Crossbred Canine/dog 179
Retriever - Labrador 157
Boxer (German Boxer) 83
Shepherd Dog - German 70
Domestic (unspecified) 66
Domestic Shorthair 65
Retriever - Golden 54
Chihuahua 54
Shih Tzu 52
Beagle 42

Associated Drugs

Milbemycin Oxime + Spinosad 213
Moxidectin 158
Spinosad 108
Melarsomine Dihydrochloride 96
Carprofen 94
Afoxolaner 85
Fluralaner Chew Tablets 76
Ivermectin + Pyrantel As Pamoate Salt 74
Melarsomine Dihydrochloride Injection 69
Ceftiofur Crystalline Free Acid 41
Maropitant Citrate 41
Firocoxib 40
Trilostane 40
Selamectin 38
Milbemycin Oxime + Praziquantel 38
Deracoxib 36
Meloxicam 36
Cefovecin Sodium 35
Oclacitinib Maleate 34
Ivermectin 31

Nationwide reactions with similar profiles

Two openFDA-derived peer sets for Collapse (see also 'Cardio-vascular' and 'Systemic disorders'), 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 (2,438 here).

Similar death-coded share

Nearest other reactions by death-coded share (35.7% 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 Collapse (see also 'Cardio-vascular' and 'Systemic disorders') (#194 of 2,481 by report volume); death-coded 35.7%. PlainBreed reaction plate · death-coded report count stamp 871 · 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 →