Reaction profile

The FDA adverse-event record for torticollis

87 FDA adverse-event reports reference torticollis (VeDDRA 594). Plate codes and volume neighbourhood below; species, breeds, and drugs follow.

#1464 of 2,481
by report volume (all reactions)
87
reports citing this reaction
32.2%
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. Torticollis has 87 reports now versus 86 in that prior snapshot: 1 more (1.2%).

Report change
+1
Death-coded reports
+1
Death-coded share
+0.8 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 Torticollis changes

FDA AER · VeDDRA plate

Code 594 VOL-LOW

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

  • VOL-LOW 87 reports
  • DEATH-HOT 32.2%
  • MID-PACK #1464/2481
  • PHOTO-FINISH Bone marrow disorder…
  • SPECIES-DOG Dog · 74
  • DRUG-LEAD Milbemycin Oxime… · 18
  • DESK-WIDE 20 breeds
  • BOOK-FULL 8/8 fields

Nearest volume peer: Bone marrow disorder 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.

Report-volume neighbourhood around Torticollis

Highest and lowest poles plus nearest volume peers, not a full 2,500-reaction corpus board reprint.

Vomiting · highest174348Bone marrow disorder… · near87Droopy lower lip · near87INEFFECTIVE, LUNGWORMS · near87Localised numbness (s… · near87Torticollis · this reaction87Urinary tract neoplas… · low…10
FDA AER report volume · neighbourhood around Torticollis

Torticollis: high death-coded share in the FDA AER plate

Signature read: Torticollis's 32.2% death-coded share is among the highest in the openFDA reaction corpus. Report volume sits in the middle third of the reaction corpus. Death-coded share is upper-third: 28 of 87 reports (32.2% of named reports). Nearest volume peer: Bone marrow disorder NOS (±0 reports). Lead species Dog (74). Lead co-reported drug Milbemycin Oxime + Spinosad (18).

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 74
Cat 10
Cattle 2
Chicken 1

Breeds Most Affected

Chihuahua 10
Dog (unknown) 7
Retriever - Labrador 7
Terrier - Yorkshire 6
Domestic Shorthair 4
Maltese 3
Retriever - Golden 3
Crossbred Canine/dog 3
Terrier - Boston 3
Shepherd Dog - German 3

Associated Drugs

Milbemycin Oxime + Spinosad 18
Maropitant Citrate 8
Spinosad 7
Bedinvetmab 7
Trilostane 6
Meloxicam 5
Selamectin 4
Butorphanol 4
Dexamethasone Sodium Phosphate 4
Carprofen 4
Tramadol 4
Sarolaner 4
Pyrantel Pamoate;Sarolaner 4
Milbemycin Oxime 3
Milbemycin Oxime + Praziquantel 3
Doxycycline 3
Fluralaner 13.64% 12-Week Chew 3
Cefovecin Sodium 2
Diphenhydramine 2
Flea Product (Unknown) 2

Nationwide reactions with similar profiles

Two openFDA-derived peer sets for Torticollis, both floored at ≥50 reports so the neighborhoods stay in the advertised mass (the volume chart above is the unfloored photo-finish strip).

Similar death-coded share

Nearest other reactions by death-coded share (32.2% 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 Torticollis (#1464 of 2,481 by report volume); death-coded 32.2%. PlainBreed reaction plate · death-coded share stamp 32.2% · 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 →