Reaction profile

The FDA adverse-event record for rigidity of limbs

277 FDA adverse-event reports reference rigidity of limbs (VeDDRA 1731). Plate codes and volume neighbourhood below; species, breeds, and drugs follow.

#905 of 2,481
by report volume (all reactions)
277
reports citing this reaction
15.2%
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. Rigidity of limbs has 277 reports now versus 272 in that prior snapshot: 5 more (1.8%).

Report change
+5
Death-coded reports
+1
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 Rigidity of limbs changes

FDA AER · VeDDRA plate

Code 1731 VOL-LOW

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

  • VOL-LOW 277 reports
  • DEATH-ELEV 15.2%
  • MID-PACK #905/2481
  • PHOTO-FINISH Bad taste
  • SPECIES-DOG Dog · 241
  • DRUG-LEAD Afoxolaner · 44
  • DESK-WIDE 20 breeds
  • BOOK-FULL 8/8 fields

Nearest volume peer: Bad taste (±1 reports)

Instrument codes from this reaction’s FDA CVM adverse-event extract: volume band, death-coded share, corpus rank, photo-finish peer, lead species, lead drug, breed desk, and book completeness. Not a clinical diagnosis.

Report-volume neighbourhood around Rigidity of limbs

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

Vomiting · highest174348Atopic allergy NOS (s… · near280Gingivitis · near279Bad taste · near278Rigidity of limbs · this rea…277Claw / hoof / nail di… · near273Urinary tract neoplas… · low…10
FDA AER report volume · neighbourhood around Rigidity of limbs

What the FDA AER plate says about Rigidity of limbs

Signature read: 42 death-coded reports is a heavy tail count for Rigidity of limbs in the CVM extract. Report volume sits in the middle third of the reaction corpus. 42 of 277 reports were death-coded (15.2% of named reports, not a population mortality rate). Nearest volume peer: Bad taste (±1 reports). Lead species Dog (241). Lead co-reported drug Afoxolaner (44).

Read these counts as reporting volume, not risk: per our methodology, Lead co-reported drug Afoxolaner 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 241
Cat 31
Horse 4
Turkey 1

Breeds Most Affected

Crossbred Canine/dog 33
Retriever - Labrador 24
Domestic Shorthair 18
Chihuahua 12
Shih Tzu 11
Collie - Border 8
Poodle - Toy 7
Retriever - Golden 7
Shiba Inu 7
Shepherd Dog - German 6

Associated Drugs

Afoxolaner 44
Propofol 35
Fluralaner 13.64% 12-Week Chew 26
Fluralaner Chew Tablets 25
Milbemycin Oxime + Spinosad 24
Isoflurane 19
Ivermectin + Pyrantel As Pamoate Salt 18
Bedinvetmab 15
Butorphanol 13
Spinosad 10
Carprofen 10
Maropitant Citrate 10
Gabapentin 9
Midazolam Hydrochloride 8
Cefovecin 8
Sarolaner 8
Diazepam 7
Pyrantel Pamoate;Sarolaner 7
Midazolam 7
Dexmedetomidine 7

Nationwide reactions with similar profiles

Two openFDA-derived peer sets for Rigidity of limbs, 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 (277 here).

Similar death-coded share

Nearest other reactions by death-coded share (15.2% 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 Rigidity of limbs (#905 of 2,481 by report volume); death-coded 15.2%. PlainBreed reaction plate · death-coded report count stamp 42 · 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 →