Reaction profile

The FDA adverse-event record for tail paralysis

35 FDA adverse-event reports reference tail paralysis (VeDDRA 2170). See the species, breeds, and drugs most associated with it below.

35
reports citing this reaction
25.7%
death-coded share
Dog
most-affected species
Bedinvetmab
most-associated drug
Verify with FDA CVM →
35
Total Reports
9
Deaths
25.7%
Death Rate

Species Most Affected

Dog 21
Cat 11
Horse 3

Breeds Most Affected

Domestic Shorthair 5
Retriever - Labrador 4
Domestic Longhair 3
Terrier - Bull - American Pit 3
Quarter Horse 2
Crossbred Canine/dog 2
Siberian Husky 2
Retriever - Golden 2
Horse (unknown) 1
Chihuahua 1

Associated Drugs

Bedinvetmab 8
Milbemycin Oxime + Spinosad 5
Carprofen 5
Fluralaner Chew Tablets 3
Gabapentin 3
Frunevetmab 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

Tail paralysis Reaction Insights

35 reports name Tail paralysis; 9 recorded a death outcome (25.7% of reported events, not a population-level mortality rate). VeDDRA code: 2170.

By species: Dog (21 reports), Cat (11 reports), Horse (3 reports). By breed: Domestic Shorthair (5), Retriever - Labrador (4), Domestic Longhair (3).

Most co-reported drugs: Bedinvetmab (8 reports), Milbemycin Oxime + Spinosad (5 reports), Carprofen (5 reports), Fluralaner Chew Tablets (3 reports).

Read these counts as reporting volume, not risk: per our methodology, co-reporting reflects temporal association captured in voluntary submissions, not proof that a drug caused this reaction. A widely-prescribed drug will rack up more raw co-reports at an identical true rate than a rarely-used one, so compare within similar-exposure products.

Source: FDA Center for Veterinary Medicine openFDA Animal & Veterinary Adverse Events (CVM AER) · 2025

Every figure on PlainBreed is rendered directly from FDA openFDA adverse event data, no number is typed in by an editor. This page draws directly on FDA openFDA data, no figure is typed in by an editor. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error.