Reaction profile

The FDA adverse-event record for unresponsive to stimuli

1,696 FDA reports name unresponsive to stimuli, a high-volume reaction in the CVM extract (VeDDRA 2247). Plate stamps and neighbourhood peers follow.

#262 of 2,481
by report volume (all reactions)
1,696
reports citing this reaction
35.2%
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. Unresponsive to stimuli has 1,696 reports now versus 1,654 in that prior snapshot: 42 more (2.5%).

Report change
+42
Death-coded reports
+11
Death-coded share
−0.2 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 Unresponsive to stimuli changes

FDA AER · VeDDRA plate

Code 2247 VOL-MID

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

  • VOL-MID 1,696 reports
  • DEATH-HOT 35.2%
  • UPPER-Q #262/2481
  • PHOTO-FINISH Application site lesi…
  • SPECIES-DOG Dog · 1,306
  • DRUG-LEAD Milbemycin Oxime… · 161
  • DESK-WIDE 20 breeds
  • BOOK-FULL 8/8 fields

Nearest volume peer: Application site lesion (±3 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 Unresponsive to stimuli

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

Vomiting · highest174348Loss of hearing · near1707Unresponsive to stimu… · thi…1696Application site lesi… · near1693Renal disorder NOS · near1684Mucous stool · near1681Urinary tract neoplas… · low…10
FDA AER report volume · neighbourhood around Unresponsive to stimuli

Unresponsive to stimuli: high death-coded share in the FDA AER plate

Signature read: 597 death-coded reports is a heavy tail count for Unresponsive to stimuli in the CVM extract. Report volume is upper-third scale: 1,696 named reports in the openFDA extract. Death-coded share is upper-third: 597 of 1,696 reports (35.2% of named reports). Nearest volume peer: Application site lesion (±3 reports). Lead species Dog (1,306). Lead co-reported drug Milbemycin Oxime + Spinosad (161).

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 1,306
Cat 362
Horse 11
Cattle 5
Human 3
Pig 2
Goat 2
Rat 2
Fox 1
Snake 1

Breeds Most Affected

Domestic Shorthair 237
Retriever - Labrador 123
Crossbred Canine/dog 88
Chihuahua 76
Terrier - Yorkshire 60
Boxer (German Boxer) 55
Shih Tzu 51
Retriever - Golden 46
Shepherd Dog - German 36
Terrier (unspecified) 35

Associated Drugs

Milbemycin Oxime + Spinosad 161
Maropitant Citrate 160
Afoxolaner 147
Moxidectin 139
Cefovecin 85
Buprenorphine 84
Ivermectin + Pyrantel As Pamoate Salt 83
Carprofen 80
Bedinvetmab 76
Fluralaner Chew Tablets 75
Pyrantel Pamoate;Sarolaner 70
Gabapentin 59
Isoflurane 46
Fluralaner 13.64% 12-Week Chew 46
Dexamethasone 43
Sarolaner 42
Milbemycin Oxime + Praziquantel 40
Spinosad 39
Melarsomine Dihydrochloride 37
Propofol 35

Nationwide reactions with similar profiles

Two openFDA-derived peer sets for Unresponsive to stimuli, 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 (1,696 here).

Similar death-coded share

Nearest other reactions by death-coded share (35.2% 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 Unresponsive to stimuli (#262 of 2,481 by report volume); death-coded 35.2%. PlainBreed reaction plate · death-coded report count stamp 597 · 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 →