Reaction profile

The FDA adverse-event record for generalised weakness

729 FDA reports name generalised weakness, a high-volume reaction in the CVM extract (VeDDRA 1496). Plate stamps and neighbourhood peers follow.

#490 of 2,481
by report volume (all reactions)
729
reports citing this reaction
34.2%
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. Generalised weakness has 729 reports now versus 714 in that prior snapshot: 15 more (2.1%).

Report change
+15
Death-coded reports
+2
Death-coded share
−0.4 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 Generalised weakness changes

FDA AER · VeDDRA plate

Code 1496 VOL-MID

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

  • VOL-MID 729 reports
  • DEATH-HOT 34.2%
  • UPPER-Q #490/2481
  • PHOTO-FINISH Application site pain
  • SPECIES-DOG Dog · 609
  • DRUG-LEAD Trilostane · 109
  • DESK-WIDE 20 breeds
  • BOOK-FULL 8/8 fields

Nearest volume peer: Application site pain (±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.

High-volume neighbourhood around Generalised weakness

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

Vomiting · highest174348Contamination, Partic… · near731Application site pain · near729Generalised weakness · this …729Swollen limb · near729Anisocoria · near726Urinary tract neoplas… · low…10
FDA AER report volume · neighbourhood around Generalised weakness

Generalised weakness: high death-coded share in the FDA AER plate

Signature read: 249 death-coded reports is a heavy tail count for Generalised weakness in the CVM extract. Report volume is upper-third scale: 729 named reports in the openFDA extract. Death-coded share is upper-third: 249 of 729 reports (34.2% of named reports). Nearest volume peer: Application site pain (±0 reports). Lead species Dog (609). Lead co-reported drug Trilostane (109).

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 609
Cat 95
Horse 12
Cattle 10
Sheep 1
Human 1
Pig 1

Breeds Most Affected

Retriever - Labrador 89
Domestic Shorthair 60
Crossbred Canine/dog 38
Chihuahua 23
Boxer (German Boxer) 22
Shepherd Dog - German 22
Retriever - Golden 20
Terrier - Yorkshire 18
Dog (unknown) 18
Shih Tzu 16

Associated Drugs

Trilostane 109
Bedinvetmab 67
Carprofen 60
Milbemycin Oxime + Spinosad 44
Maropitant Citrate 43
Gabapentin 38
Moxidectin 36
Fluralaner Chew Tablets 33
Prednisone 25
Grapiprant 23
Polysulfated Glycosaminoglycan 22
Pimobendan 21
Spinosad 20
Deracoxib 20
Famotidine 18
Cefovecin 18
Oclacitinib Maleate 18
Fluralaner 13.64% 12-Week Chew 18
Metronidazole 16
Tramadol 15

Nationwide reactions with similar profiles

Two openFDA-derived peer sets for Generalised 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 report volume

Nearest other reactions by FDA report count (729 here).

Similar death-coded share

Nearest other reactions by death-coded share (34.2% 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 Generalised weakness (#490 of 2,481 by report volume); death-coded 34.2%. PlainBreed reaction plate · death-coded report count stamp 249 · 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 →