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Table 190-2

Disorders and Conditions Associated with Compromised Olfactory Function, as Measured by Olfactory Testing

22q11 deletion syndrome

AIDS/HIV infection

Adenoid hypertrophy

Adrenal cortical insufficiency

Age

Alcoholism

Allergies

Alzheimer's disease

Amyotrophic lateral sclerosis (ALS)

Anorexia nervosa

Asperger's syndrome

Ataxias

Attention deficit/hyperactivity disorder

Behcet's disease

Bardet-Biedl syndrome

Chagas' disease

Chemical exposure

Chronic obstructive pulmonary disease

Congenital

Cushing's syndrome

Cystic fibrosis

Degenerative ataxias

Depression

Diabetes

Down's syndrome

Epilepsy

Facial paralysis

Fibromyalgia

Frontotemporal lobe degeneration

Gonadal dysgenesis (Turner's syndrome)

Granulomatosis with Polyangiitis (Wegener's)

Guamanian ALS/PD/dementia syndrome

Head trauma

Herpes simplex encephalitis

Hypothyroidism

Huntington's disease

Iatrogenesis

Idiopathic inflammatory myopathies

Kallmann's syndrome

Korsakoff's psychosis

Laryngopharyngeal reflux disease

Legionnaires' disease

Leprosy

Liver disease

Lubag disease

Medications

Migraine

Multiple sclerosis

Multi-infarct dementia

Myasthenia gravis

Narcolepsy with cataplexy

Neoplasms, cranial/nasal

Nutritional deficiencies

Obstructive pulmonary disease

Obesity

Obsessive compulsive disorder

Orthostatic tremor

Panic disorder

Parkinson's disease (PD)

Pick's disease

Posttraumatic stress disorder

Pregnancy

Pseudohypoparathyroidism

Psychopathy

Radiation (therapeutic, cranial)

REM behavior disorder

Refsum's disease

Renal failure/end-stage kidney disease

Restless leg syndrome

Rhinosinusitis/polyposis

Schizophrenia

Seasonal affective disorder

Sjögren's syndrome

Stroke

Systemic sclerosis

Tobacco smoking

Toxic chemical exposure

Upper respiratory infections

Usher syndrome

Vitamin B12 deficiency