Reaction profile

The FDA adverse-event record for vocalizing while sleeping

50 FDA adverse-event reports reference vocalizing while sleeping (VeDDRA 2505). See the species, breeds, and drugs most associated with it below.

50
reports citing this reaction
16.0%
death-coded share
Dog
most-affected species
Afoxolaner
most-associated drug
Verify with FDA CVM →
50
Total Reports
8
Deaths
16.0%
Death Rate

Species Most Affected

Dog 44
Cat 6

Breeds Most Affected

Shih Tzu 5
Retriever - Golden 5
Crossbred Canine/dog 5
Chihuahua 4
Retriever - Labrador 3
Maltese 3
Shepherd Dog - German 3
Domestic Shorthair 2
Pit Bull 2
Terrier - Yorkshire 2

Associated Drugs

Afoxolaner 6
Buprenorphine 4
Ivermectin + Pyrantel As Pamoate Salt 4
Fluralaner 13.64% 12-Week Chew 4
Fluralaner Chew Tablets 3
Oclacitinib Maleate 3
Milbemycin Oxime + Spinosad 3
Sarolaner 3
Pimobendan 2
Furosemide 2
Ketamine 2
Midazolam Hydrochloride 2
Isoflurane 2
Selamectin;Sarolaner 2
Imidacloprid + Moxidectin 2
Moxidectin 2
Doxycycline 2
Milbemycin/Lufenuron Tablets 2
Nitenpyram 2
Pyrantel Pamoate;Sarolaner 2

Vocalizing while sleeping Reaction Insights

50 reports name Vocalizing while sleeping; 8 recorded a death outcome (16.0% of reported events, not a population-level mortality rate). VeDDRA code: 2505.

By species: Dog (44 reports), Cat (6 reports). By breed: Shih Tzu (5), Retriever - Golden (5), Crossbred Canine/dog (5).

Most co-reported drugs: Afoxolaner (6 reports), Buprenorphine (4 reports), Ivermectin + Pyrantel As Pamoate Salt (4 reports), Fluralaner 13.64% 12-Week Chew (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.