Reaction profile

The FDA adverse-event record for unilateral paresis

19 FDA reports name unilateral paresis, a lower-volume reaction in the CVM extract (VeDDRA 1154). Plate stamps and neighbourhood peers follow.

#2199 of 2,481
by report volume (all reactions)
19
reports citing this reaction
21.1%
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. Unilateral paresis has 19 reports now versus 17 in that prior snapshot: 2 more (11.8%).

Report change
+2
Death-coded reports
+1
Death-coded share
+3.4 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 Unilateral paresis changes

FDA AER · VeDDRA plate

Code 1154 VOL-TRACE

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

  • VOL-TRACE 19 reports
  • DEATH-HOT 21.1%
  • LOWER-Q #2199/2481
  • PHOTO-FINISH Adaptor, damaged
  • SPECIES-DOG Dog · 14
  • DRUG-LEAD Bedinvetmab · 4
  • DESK-WIDE 16 breeds
  • BOOK-FULL 8/8 fields

Nearest volume peer: Adaptor, damaged (±0 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.

Lower-volume neighbourhood around Unilateral paresis

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

Vomiting · highest174348Adaptor, damaged · near19Amaurosis (see also P… · near19Anhidrosis · near19Cholelithiasis · near19Unilateral paresis · this re…19Urinary tract neoplas… · low…10
FDA AER report volume · neighbourhood around Unilateral paresis

What the FDA AER plate says about Unilateral paresis

Signature read: 19 reports place Unilateral paresis in the lower third of FDA AER volume (#2199 of 2,481). Report volume is lower-third scale: 19 named reports in the openFDA extract. 4 of 19 reports were death-coded (21.1% of named reports, not a population mortality rate). Nearest volume peer: Adaptor, damaged (±0 reports). Lead species Dog (14). Lead co-reported drug Bedinvetmab (4).

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 14
Cat 3
Cattle 1
Horse 1

Breeds Most Affected

Domestic Shorthair 3
Shepherd Dog - German 2
Retriever - Golden 1
Terrier - West Highland White 1
Boxer (German Boxer) 1
Terrier - Bull - American Pit 1
Spitz - German Pomeranian 1
Chihuahua 1
Mixed (Cattle) 1
Thoroughbred 1

Associated Drugs

Bedinvetmab 4
Maropitant Citrate 3
Frunevetmab 3
Prednisone 3
Moxidectin 2
Ceftiofur Crystalline Free Acid 2
Monensin Sodium 1
Levothyroxine Sodium 1
Afoxolaner 2.27% Chewable Tablet (28.3 Mg) 1
Afoxolaner 1
Ivermectin + Pyrantel As Pamoate Salt 1
Spinosad 1
Firocoxib 1
Melarsomine Dihydrochloride Injection 1
Pyrantel Pamoate;Sarolaner 1
Rabies Virus, Kv 1
Intranasal Bordatella Vaccine 1
Oclacitinib Maleate 1
Carprofen 1
Gabapentin 1

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 Unilateral paresis (#2199 of 2,481 by report volume); death-coded 21.1%. PlainBreed reaction plate · report volume stamp 19 · 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 →