Description

The odor of a patient's breath may indicate underlying disorders, especially following toxic ingestions. The absence of an odor on the breath does not exclude an ingestion.


Odor

Underlying Disease

acetaldehyde

chronic alcoholism, paraldehyde

acetone

ketosis (diabetes, starvation), salicylates

ammonia

uremia

foul

poor oral hygiene, bronchiectasis, lung abscess, upper GI obstruction, tonsillar infection, nasal or sinus infections

musty

severe liver disease

yeast

local Candida infection

 

 

Odor

Ingestion

alcohol

alcohol

aromatic and pungent

paraldehyde, ethchlorvynol

bananas

chloral hydrate

bitter almonds

cyanide

chloroform

chloroform or methylchloroform

garlic

garlic, methyl mercaptan, arsenic, parathion, organophosphate, tellurium, sellenium

kerosene

parathion or organophosphate

pears

chloral hydrate

solvent or volatile hydrocarbons

solvent

xylene

parathion or organophosphate

 


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