Reaction profile

The FDA adverse-event record for heat stroke

30 FDA reports name heat stroke, a lower-volume reaction in the CVM extract (VeDDRA 2504). Plate stamps and neighbourhood peers follow.

#1996 of 2,481
by report volume (all reactions)
30
reports citing this reaction
60.0%
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. Heat stroke has 30 reports now versus 30 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 Heat stroke changes

FDA AER · VeDDRA plate

Code 2504 VOL-TRACE

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

  • VOL-TRACE 30 reports
  • DEATH-HOT 60.0%
  • LOWER-Q #1996/2481
  • PHOTO-FINISH Abnormal spermatozoa…
  • SPECIES-DOG Dog · 25
  • DRUG-LEAD Milbemycin Oxime… · 5
  • DESK-WIDE 20 breeds
  • BOOK-FULL 8/8 fields

Nearest volume peer: Abnormal spermatozoa NOS (±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 Heat stroke

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

Vomiting · highest174348Abnormal spermatozoa… · near30Atelectasis · near30Bone marrow suppressi… · near30Chronic kidney disease · near30Heat stroke · this reaction30Urinary tract neoplas… · low…10
FDA AER report volume · neighbourhood around Heat stroke

Heat stroke: high death-coded share in the FDA AER plate

Signature read: Heat stroke's 60.0% death-coded share is among the highest in the openFDA reaction corpus. Report volume is lower-third scale: 30 named reports in the openFDA extract. Death-coded share is upper-third: 18 of 30 reports (60.0% of named reports). Nearest volume peer: Abnormal spermatozoa NOS (±0 reports). Lead species Dog (25). Lead co-reported drug Milbemycin Oxime + Spinosad (5).

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 25
Cattle 3
Horse 1
Pig 1

Breeds Most Affected

Collie - Border 3
Retriever - Labrador 3
Dog (unknown) 2
Bulldog 2
Ridgeback - Rhodesian 1
Siberian Husky 1
Boxer (German Boxer) 1
Quarter Horse 1
Shepherd Dog (unspecified) 1
Terrier - Bull - Staffordshire 1

Associated Drugs

Milbemycin Oxime + Spinosad 5
Moxidectin 4
Spinosad 3
Fluralaner Chew Tablets 3
Milbemycin Oxime + Praziquantel 3
Trilostane 2
Oclacitinib Maleate 2
Anti-Il31 Mab Mcs Lot #1283563 2
Pyrantel Pamoate;Sarolaner 2
Prednisolone Trimeprazine Tartrate 1
Nitenpyram 1
Selamectin 1
Unspecified Antibiotic 1
Ivermectin + Pyrantel As Pamoate Salt 1
Pergolide Mesylate 1
Clomipramine 1
Alprazolam 1
Milbemycin Oxime 1
Cefpodoxime 1
Flunixin Megl Topical Solution 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 Heat stroke (#1996 of 2,481 by report volume); death-coded 60.0%. PlainBreed reaction plate · death-coded share stamp 60.0% · 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 →