Seborrheic Dermatitis

Seborrheic Dermatitis is a topic covered in the 5-Minute Emergency Consult.

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Basics

Description

  • A common and chronic papulosquamous inflammatory skin disorder
  • Affects all age groups and varies from mild dandruff to extensive adherent scale
  • Found in areas with high concentrations of sebaceous follicles and glands
  • Sharply demarcated yellow to red to brown, greasy, scaling, crusting patches/plaques
  • Periods of remission and exacerbation frequent in adults

Etiology

  • Exact pathogenesis not fully understood
  • Multifactorial with environmental, genetic, hormonal, immunologic, microbial, and nutritional influences
  • Strong association with Malassezia yeasts
  • Complex physiologic response:
    • Immunologic
    • Inflammatory
    • Hyperproliferation
  • Disease flares are common with physical and emotional stresses or illness
  • Factors predisposing patients to develop seborrheic dermatitis and more severe or refractory disease:
    • Parkinson disease
    • Paralysis
    • HIV/AIDS
    • Mood disorders including depression
    • Congestive heart failure
    • Immunosuppression in premature infants
  • Medications known to induce or aggravate seborrheic dermatitis include:

    ArsenicInterferon-α
    AuranofinLithium
    AurothioglucoseMethoxsalen
    BuspironeMethyldopa
    CarbamazepinePhenothiazines
    ChlorpromazinePhenytoin
    CimetidinePrimidone
    EthionamidePsoralen
    GoldStanozolol
    GriseofulvinThiothixene
    HaloperidolTrioxsalen

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Citation

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TY - ELEC T1 - Seborrheic Dermatitis ID - 307189 Y1 - 2016 PB - 5-Minute Emergency Consult UR - https://emergency.unboundmedicine.com/emergency/view/5-Minute_Emergency_Consult/307189/all/Seborrheic_Dermatitis ER -