Reaction profile

The FDA adverse-event record for limb weakness

3,668 FDA reports name limb weakness, a high-volume reaction in the CVM extract (VeDDRA 1121). Plate stamps and neighbourhood peers follow.

#128 of 2,481
by report volume (all reactions)
3,668
reports citing this reaction
17.9%
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. Limb weakness has 3,668 reports now versus 3,563 in that prior snapshot: 105 more (2.9%).

Report change
+105
Death-coded reports
+20
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 Limb weakness changes

FDA AER · VeDDRA plate

Code 1121 VOL-MID

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

  • VOL-MID 3,668 reports
  • DEATH-ELEV 17.9%
  • TOP-DECILE #128/2481
  • PHOTO-FINISH Unable to stand
  • SPECIES-DOG Dog · 3,263
  • DRUG-LEAD Bedinvetmab · 1,141
  • DESK-WIDE 20 breeds
  • BOOK-FULL 8/8 fields

Nearest volume peer: Unable to stand (±38 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 Limb weakness

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

Vomiting · highest174348INEFFECTIVE, LOSS OF… · near3709Unable to stand · near3706Limb weakness · this reaction3668Foaming at the mouth · near3606Collapse NOS (see als… · near3581Urinary tract neoplas… · low…10
FDA AER report volume · neighbourhood around Limb weakness

What the FDA AER plate says about Limb weakness

Signature read: 655 death-coded reports is a heavy tail count for Limb weakness in the CVM extract. Report volume is upper-third scale: 3,668 named reports in the openFDA extract. 655 of 3,668 reports were death-coded (17.9% of named reports, not a population mortality rate). Nearest volume peer: Unable to stand (±38 reports). Lead species Dog (3,263). Lead co-reported drug Bedinvetmab (1,141).

Read these counts as reporting volume, not risk: per our methodology, Lead co-reported drug Bedinvetmab 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 3,263
Cat 370
Horse 12
Cattle 9
Pig 5
Human 4
Ferret 3
Other Birds 1
Cougar 1

Breeds Most Affected

Retriever - Labrador 512
Domestic Shorthair 236
Crossbred Canine/dog 210
Shepherd Dog - German 185
Retriever - Golden 180
Boxer (German Boxer) 109
Dog (unknown) 89
Shih Tzu 75
Shepherd Dog - Australian 74
Terrier - Yorkshire 71

Associated Drugs

Bedinvetmab 1,141
Gabapentin 424
Carprofen 347
Trilostane 326
Milbemycin Oxime + Spinosad 204
Afoxolaner 153
Grapiprant 141
Prednisone 132
Maropitant Citrate 131
Pyrantel Pamoate;Sarolaner 130
Fluralaner Chew Tablets 128
Fluralaner 13.64% 12-Week Chew 126
Frunevetmab 122
Oclacitinib Maleate 113
Polysulfated Glycosaminoglycan 107
Sarolaner 103
Moxidectin 84
Enrofloxacin 76
Tramadol 72
Meloxicam 72

Nationwide reactions with similar profiles

Two openFDA-derived peer sets for Limb weakness, 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 (17.9% 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 Limb weakness (#128 of 2,481 by report volume); death-coded 17.9%. PlainBreed reaction plate · death-coded report count stamp 655 · 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 →