Reaction profile

The FDA adverse-event record for knuckling

923 FDA reports name knuckling, a high-volume reaction in the CVM extract (VeDDRA 578). Plate stamps and neighbourhood peers follow.

#419 of 2,481
by report volume (all reactions)
923
reports citing this reaction
25.9%
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. Knuckling has 923 reports now versus 885 in that prior snapshot: 38 more (4.3%).

Report change
+38
Death-coded reports
+11
Death-coded share
+0.1 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 Knuckling changes

FDA AER · VeDDRA plate

Code 578 VOL-MID

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

  • VOL-MID 923 reports
  • DEATH-HOT 25.9%
  • UPPER-Q #419/2481
  • PHOTO-FINISH Reduced responses
  • SPECIES-DOG Dog · 822
  • DRUG-LEAD Bedinvetmab · 437
  • DESK-WIDE 20 breeds
  • BOOK-FULL 8/8 fields

Nearest volume peer: Reduced responses (±1 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 Knuckling

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

Vomiting · highest174348Hyperalbuminaemia · near927Reduced responses · near924Knuckling · this reaction923Abnormal adrenocortic… · near920Arrhythmia · near918Urinary tract neoplas… · low…10
FDA AER report volume · neighbourhood around Knuckling

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

Signature read: 239 death-coded reports is a heavy tail count for Knuckling in the CVM extract. Report volume is upper-third scale: 923 named reports in the openFDA extract. Death-coded share is upper-third: 239 of 923 reports (25.9% of named reports). Nearest volume peer: Reduced responses (±1 reports). Lead species Dog (822). Lead co-reported drug Bedinvetmab (437).

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 822
Cat 90
Cattle 6
Pig 4
Horse 1

Breeds Most Affected

Retriever - Labrador 135
Shepherd Dog - German 67
Domestic Shorthair 63
Retriever - Golden 42
Boxer (German Boxer) 39
Crossbred Canine/dog 35
Terrier - Bull - American Pit 28
Chihuahua 27
Terrier (unspecified) 21
Dog (unknown) 21

Associated Drugs

Bedinvetmab 437
Carprofen 164
Gabapentin 153
Prednisone 56
Oclacitinib Maleate 42
Maropitant Citrate 41
Milbemycin Oxime + Spinosad 36
Galliprant 34
Pyrantel Pamoate;Sarolaner 33
Moxidectin 32
Frunevetmab 32
Meloxicam 31
Polysulfated Glycosaminoglycan 31
Grapiprant 30
Sarolaner 29
Melarsomine Dihydrochloride 29
Fluralaner Chew Tablets 26
Tramadol 23
Enrofloxacin 22
Afoxolaner 22

Nationwide reactions with similar profiles

Two openFDA-derived peer sets for Knuckling, 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 (25.9% 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 Knuckling (#419 of 2,481 by report volume); death-coded 25.9%. PlainBreed reaction plate · death-coded report count stamp 239 · 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 →