Common causes of Breath odor

Causes of Breath odor that are very common

The following causes of Breath odor are diseases or medical conditions that affect more than 10 million people in the USA:

• Chronic sinusitis - bad breath
• Dental caries - Bad breath
• Diabetes - Sweet-smelling fruity acetone breath
• Sinusitis
• Smoking
• Tooth decay
• Type 2 diabetes - Sweet-smelling fruity acetone breath

Causes of Breath odor that are common

The following causes of Breath odor are diseases or conditions that affect more than 1 million people in the USA:

• Dental conditions - Bad breath
• Dental disorders
• Gastroesophageal Reflux Disease - bad breath
• GERD
• Periodontal disease
• Periodontitis - Bad breath
• Pneumonia
• Renal failure

Causes of Breath odor that are uncommon

The following causes of Breath odor are diseases or conditions that affect more than 200,000 people, but less than 1 million people in the USA:

• Acute Appendicitis - bad breath
• Liver disorders

Causes of Breath odor that are very rare

The following causes of Breath odor appear in the population at a rate of substantially less than 200,000 people per year in the USA:

• Cystic fibrosis
• Larynx cancer
• Mouth cancer - Bad breath
• Oral cancer
• Pharynx cancer
• Respiratory system cancer - Bad breath
• Tuberculosis

Causes of Breath odor without any prevalence information

The following causes of Breath odor are ones for which we do not have any prevalence information.

• Abscessed tooth
• Achalasia
• Acidosis - acetone smelling breath
• Acute Appendicitis - bad breath
• Acute necrotizing ulcerative gingivitis - bad breath
• Adenoiditis
• Alcohol
• Allergic tension-fatigue syndrome - bad breath
• Alveolar osteitis
• Arsenic trioxide
• Arsenicals
• Atrophic rhinitis
• Bowel obstruction
• Bronchiectasis - bad breath
• Bronchitis
• Carcinoma of the vocal tract - bad breath
• Carcinoma, squamous cell of head and neck - bad breath
• Catarrh
• Certain chronic lung diseases
• Certain drugs
• Certain foods
• Certain lung diseases
• Certain types of poisoning
• Chemical poisoning - Chloroform - acetone breath
• Chemical poisoning - Methyl Bromide - acetone breath
• Chemical poisoning - Trichloroethane - acetone breath
• Chemical poisoning - White Phosphorus - breath odor
• Chronic sinusitis - bad breath
• Chronic tonsillitis
• Ciliary dyskinesia, due to transposition of ciliary microtubules - halitosis
• Ciliary dyskinesia-bronchiectasis - breath odor
• Cysteamine
• Dental caries - Bad breath
• Dental plaque
• Dental sepsis
• Dentures
• Diabetes - Sweet-smelling fruity acetone breath
• Diabetic ketoacidosis - breath odor
• Dry mouth
• Empyema
• Esophageal cancer
• Esophageal diverticulum - bad breath
• Esophageal pouch
• Esophageal stricture
• False teeth
• Garlic
• Gastric carcinoma
• Gastroesophageal Reflux Disease - bad breath
• Gastrojejunocolic fistula
• Gingivitis - bad breath
• Gum disease - Bad breath
• Halitosis - Bad breath
• Hepatic encephalopathy
• Immotile cilia syndrome, due to defective radial spokes - halitosis
• Immotile cilia syndrome, due to excessively long cilia - halitosis
• Inadequate saliva
• Insulin injection
• Kidney failure - causing uremia and ammonia-like or urine-like breath odor.
• Laryngeal carcinoma - bad breath
• Larynx cancer
• Liver failure - causes sweet-smelling breath.
• Lung abscess
• Lung infection
• Methionine adenosyltransferase deficiency
• Mouth breathing
• Mouth conditions
• Mouth infection
• Mouth ulcers
• Nasal conditions
• Nasal foreign body
• Oropharyngeal cancer, adult - breath odor
• Paraldehyde
• Pharyngeal pouch
• Pharyngitis
• Pneumonia
• Poor dental hygiene
• Postnasal drip - bad breath
• Primary ciliary dyskinesia - halitosis
• Primary ciliary dyskinesia, 2 - halitosis
• Primary ciliary dyskinesia, 3 - halitosis
• Primary ciliary dyskinesia, 4 - halitosis
• Primary ciliary dyskinesia, 5 - halitosis
• Primary ciliary dyskinesia, 6 - halitosis
• Psychogenic halitosis - anxiety about halitosis often without actually having it.
• Pyorrhea alveolaris
• Reflux
• Renal failure
• Respiratory infections - Bad breath
• Respiratory tract infections
• Rumination disorder - bad breath
• See causes of bad breath
• Sinusitis
• Sphenoid Sinusitis - bad breath
• Stomach disorders
• Stomatitis - bad breath
• Thallium
• Throat conditions
• Throat infection
• Tonsillitis
• Tooth abscess - breath odor
• Tooth decay
• Tooth infections
• Triamterene
• Type 2 diabetes - Sweet-smelling fruity acetone breath
• Uremia - breath smells urine-like or ammonia-like.
• Vincent's angina
• Vincent's disease - breath odor
• Zenker's diverticulum

All Causes of Breath odor

The full list of all possible causes for Breath odor described in various sources is as follows:

• Abscessed tooth
• Achalasia
• Acidosis - acetone smelling breath
• Acute Appendicitis - bad breath
• Acute necrotizing ulcerative gingivitis - bad breath

See full list of possible disease causes of Breath odor

Drug side effect causes of Breath odor

• Any drugs that dry the mouth, nose or reduce salivation
• Antihistamines
• Certain sinus disorder drugs
• Certain antidepressants
• Paraldehyde

 » Next page: Diabetes-related causes of Breath odor

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