Reaction profile

The FDA adverse-event record for abnormal tail posture

53 FDA adverse-event reports reference abnormal tail posture (VeDDRA 3107). See the species, breeds, and drugs most associated with it below.

53
reports citing this reaction
20.8%
death-coded share
Dog
most-affected species
Bedinvetmab
most-associated drug
Verify with FDA CVM →
53
Total Reports
11
Deaths
20.8%
Death Rate

Species Most Affected

Dog 47
Cat 5
Cattle 1

Breeds Most Affected

Crossbred Canine/dog 6
Shih Tzu 5
Retriever - Labrador 3
Chihuahua 3
Domestic Shorthair 2
Collie - Border 2
Poodle - Miniature 2
Terrier (unspecified) 2
Beagle 2
Domestic Mediumhair 1

Associated Drugs

Bedinvetmab 16
Pyrantel Pamoate;Sarolaner 8
Fluralaner 13.64% 12-Week Chew 5
Gabapentin 4
Carprofen 4
Oclacitinib Maleate 3
Pregabalin 2
Prednisolone 2
Galliprant 2
Milbemycin Oxime + Praziquantel 2
Lotilaner 2
Milbemycin/Lufenuron/Pzq Chew 2
Methocarbamol 2
Maropitant Citrate 2
Amoxicillin Anhydrous + Clavulanic Acid 1
Frunevetmab 1
Cannabidiol Oil 1
Gabapentin (Transdermal) 1
Doxycycline 1
L-Lysine 1

Abnormal tail posture Reaction Insights

53 reports name Abnormal tail posture; 11 recorded a death outcome (20.8% of reported events, not a population-level mortality rate). VeDDRA code: 3107.

By species: Dog (47 reports), Cat (5 reports), Cattle (1 reports). By breed: Crossbred Canine/dog (6), Shih Tzu (5), Retriever - Labrador (3).

Most co-reported drugs: Bedinvetmab (16 reports), Pyrantel Pamoate;Sarolaner (8 reports), Fluralaner 13.64% 12-Week Chew (5 reports), Gabapentin (4 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.