ETIOLOGIES OF PRURITUS
Cutaneous etiologies
Atopic dermatitis
Contact dermatitis
Fiberglass dermatitis
Follicultitis
Insect bites
Impetigo
Lichen planus
Mastocytosis
Pediculosis
Pemphigus foliaceus
Pityriasis rosea
Scabies
Xerosis
Hot tub asteatosis
Systemic diseases
Cholestasis
Extrahepatic biliary obstruction
Pregnancy-induced cholestasis
Drug-induced cholestasis
Paraproteinemia
Leukemia
Mycosis fungoides
Malignancies
Breast
Gastric
Pulmonary
Brain abscess
Cerebral tumors
AIDs
Allergic reactions
Psychologic causes
Anxiety disorder
Depressive disorder
Obsessive-compulsive disorder
Personality disorder
Psychosis
Drug-induced (common): idiosyncratic reactions may occur with any medication
Aspirin
CNS stimulants
Hormones
Anabolic steroids
Estrogens
Oral contraceptives
Progestins
Testosterone
Opiates
Cocaine
Codeine
Morphine
Phenothiazines
Quinidine
Tolbutamide
Vitamin B complex