Reaction profile

The FDA adverse-event record for disorientation

5,405 FDA reports name disorientation, a high-volume reaction in the CVM extract (VeDDRA 660). Plate stamps and neighbourhood peers follow.

#93 of 2,481
by report volume (all reactions)
5,405
reports citing this reaction
13.0%
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. Disorientation has 5,405 reports now versus 5,326 in that prior snapshot: 79 more (1.5%).

Report change
+79
Death-coded reports
+11
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 Disorientation changes

FDA AER · VeDDRA plate

Code 660 VOL-HIGH

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

  • VOL-HIGH 5,405 reports
  • DEATH-ELEV 13.0%
  • TOP-DECILE #93/2481
  • PHOTO-FINISH Elevated total biliru…
  • SPECIES-DOG Dog · 4,601
  • DRUG-LEAD Milbemycin Oxime… · 1,039
  • DESK-WIDE 20 breeds
  • BOOK-FULL 8/8 fields

Nearest volume peer: Elevated total bilirubin (±19 reports)

Upper-third report volume drives the scale stamps on this plate; death-coded share and co-report peers follow. Not a clinical diagnosis.

High-volume neighbourhood around Disorientation

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

Vomiting · highest174348Anxiety · near5617Neutrophilia · near5573Injection site swelli… · near5505Elevated total biliru… · near5424Disorientation · this reacti…5405Urinary tract neoplas… · low…10
FDA AER report volume · neighbourhood around Disorientation

What the FDA AER plate says about Disorientation

Signature read: 704 death-coded reports is a heavy tail count for Disorientation in the CVM extract. Report volume is upper-third scale: 5,405 named reports in the openFDA extract. 704 of 5,405 reports were death-coded (13.0% of named reports, not a population mortality rate). Nearest volume peer: Elevated total bilirubin (±19 reports). Lead species Dog (4,601). Lead co-reported drug Milbemycin Oxime + Spinosad (1,039).

Read these counts as reporting volume, not risk: per our methodology, Lead co-reported drug Milbemycin Oxime + Spinosad appears in filings alongside this reaction; that is association, not causation. Browse the full reactions index or the about page for how PlainBreed frames FDA CVM extracts.

Species Most Affected

Dog 4,601
Cat 768
Horse 14
Cattle 10
Pig 2
Other Canids 2
Guinea Pig 2
Goat 2
Bison 1
Cockatiel 1

Breeds Most Affected

Domestic Shorthair 467
Retriever - Labrador 409
Crossbred Canine/dog 300
Chihuahua 249
Retriever - Golden 195
Boxer (German Boxer) 178
Terrier - Yorkshire 174
Shih Tzu 160
Shepherd Dog - German 148
Maltese 121

Associated Drugs

Milbemycin Oxime + Spinosad 1,039
Afoxolaner 360
Bedinvetmab 320
Pyrantel Pamoate;Sarolaner 308
Carprofen 291
Spinosad 276
Sarolaner 255
Maropitant Citrate 202
Oclacitinib Maleate 202
Ivermectin + Pyrantel As Pamoate Salt 187
Fluralaner Chew Tablets 175
Fluralaner 13.64% 12-Week Chew 165
Gabapentin 159
Moxidectin 157
Imidacloprid + Moxidectin 148
Cefovecin 142
Selamectin 139
Buprenorphine 127
Ivermectin 119
Trilostane 117

Nationwide reactions with similar profiles

Two openFDA-derived peer sets for Disorientation, 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 (5,405 here).

Similar death-coded share

Nearest other reactions by death-coded share (13.0% 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 Disorientation (#93 of 2,481 by report volume); death-coded 13.0%. PlainBreed reaction plate · death-coded report count stamp 704 · 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 →