Reaction profile

The FDA adverse-event record for bradypnoea

211 FDA adverse-event reports reference bradypnoea (VeDDRA 833). See the species, breeds, and drugs most associated with it below.

211
reports citing this reaction
30.8%
death-coded share
Dog
most-affected species
Dexmedetomidine Hydrochloride
most-associated drug
Verify with FDA CVM →
211
Total Reports
65
Deaths
30.8%
Death Rate

Species Most Affected

Dog 158
Cat 31
Horse 8
Monkey 3
Mouse 2
Snake 2
Human 1
Cattle 1
Turtle 1
Alpaca 1

Breeds Most Affected

Retriever - Labrador 11
Dog (unknown) 11
Domestic Shorthair 11
Domestic (unspecified) 10
Shih Tzu 9
Chihuahua 8
Mixed (Dog) 7
Crossbred Canine/dog 6
Terrier - Jack Russell 5
Unknown 5

Associated Drugs

Dexmedetomidine Hydrochloride 35
Isoflurane 27
Ketamine Hydrochloride 14
Milbemycin Oxime + Spinosad 12
Propofol 11
Ketamine 10
Spinosad 9
Moxidectin 9
Ivermectin 8
Sevoflurane 7
Imidacloprid + Moxidectin 6
Vaccine 6
Dewormer 6
Butorphanol 6
Dexmedetomidine 6
Cefovecin Sodium 5
Alfaxalone 5
Butorphanol Tartrate 4
Acepromazine Maleate 4
Carprofen 4

Bradypnoea Reaction Insights

211 reports name Bradypnoea; 65 recorded a death outcome (30.8% of reported events, not a population-level mortality rate). VeDDRA code: 833.

By species: Dog (158 reports), Cat (31 reports), Horse (8 reports). By breed: Retriever - Labrador (11), Dog (unknown) (11), Domestic Shorthair (11).

Most co-reported drugs: Dexmedetomidine Hydrochloride (35 reports), Isoflurane (27 reports), Ketamine Hydrochloride (14 reports), Milbemycin Oxime + Spinosad (12 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.