Reaction profile

The FDA adverse-event record for tail paralysis

Name: Tail paralysis - FDA Animal Adverse Reaction
Creator: PlainBreed
License: https://open.fda.gov/license/

38 FDA reports name tail paralysis, a lower-volume reaction in the CVM extract (VeDDRA 2170). Plate stamps and neighbourhood peers follow.

#1885 of 2,481
by report volume (all reactions): 38
reports citing this reaction: 23.7%
death-coded share: Dog
most-affected species

Compiled by PlainBreed

Verify with FDA CVM →

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. Tail paralysis has 38 reports now versus 37 in that prior snapshot: 1 more (2.7%).

Report change: +1
Death-coded reports: +0
Death-coded share: −0.6 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 Tail paralysis changes

FDA AER · VeDDRA plate

Code 2170 VOL-TRACE

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

VOL-TRACE 38 reports
DEATH-HOT 23.7%
LOWER-Q #1885/2481
PHOTO-FINISH Clenched jaw
SPECIES-DOG Dog · 22
DRUG-LEAD Bedinvetmab · 9
DESK-WIDE 20 breeds
BOOK-FULL 8/8 fields

Nearest volume peer: Clenched jaw (±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 Tail paralysis

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

FDA AER report volume · neighbourhood around Tail paralysis

What the FDA AER plate says about Tail paralysis

Signature read: 38 reports place Tail paralysis in the lower third of FDA AER volume (#1885 of 2,481). Report volume is lower-third scale: 38 named reports in the openFDA extract. 9 of 38 reports were death-coded (23.7% of named reports, not a population mortality rate). Nearest volume peer: Clenched jaw (±0 reports). Lead species Dog (22). Lead co-reported drug Bedinvetmab (9).

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 22

Cat 13

Horse 3

Breeds Most Affected

Domestic Shorthair 6

Retriever - Labrador 4

Terrier - Bull - American Pit 4

Domestic Longhair 3

Quarter Horse 2

Crossbred Canine/dog 2

Siberian Husky 2

Retriever - Golden 2

Horse (unknown) 1

Chihuahua 1

Associated Drugs

Bedinvetmab 9

Carprofen 6

Milbemycin Oxime + Spinosad 5

Gabapentin 5

Frunevetmab 5

Fluralaner Chew Tablets 3

Fluid Therapy 3

Cefovecin 2

Dexamethasone 2

Prednisone 2

Detomidine Hydrochloride 2

Pyrantel Pamoate;Sarolaner 2

Fluralaner 13.64% 12-Week Chew 2

Anesthetic (Unknown) 2

Metronidazole 2

Unspecified Fluoxetine 2

Unspecified Gabapentin 2

Unspecified Carprofen 2

Unspecified Probiotic 2

Ponazuril 1

What to do with this reaction

Read how death-coded share differs from a mortality rate before drawing conclusions. Understanding adverse events
Browse the full reaction directory to compare report counts across reaction types. All reactions

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 Tail paralysis (#1885 of 2,481 by report volume); death-coded 23.7%. PlainBreed reaction plate · report volume stamp 38 · 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 →