Dermatology Book

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Tinea FacialeAka: Tinea Faciei, Tinea incognito

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  1. Epidemiology
    1. Children often acquire from dogs and cats
  2. Symptoms
    1. Itching or burning sensation
    2. Provoked by sunlight exposure
  3. Signs
    1. Location: Non-bearded face
    2. Often difficult to indentify (tinea incognito)
      1. Minimal scale
      2. Faint erythema
  4. Lab
    1. Potassium Hydroxide (KOH 20%)
      1. Scrape from active border
  5. Differential Diagnosis
    1. Psoriasis
    2. Seborrheic Dermatitis
    3. Discoid Lupus Erythematosus
    4. Contact Dermatitis
    5. Acne Rosacea
    6. Polymorphous light eruption
  6. Management
    1. Topical Antifungal
      1. First line: Imidazoles (e.g. Clotrimazole)
      2. Refractory cases: Allylamines (e.g. Naftin, Lamisil)
    2. Systemic Antifungal
      1. Indication: large area of involvement
      2. Preparations
        1. Griseofulvin

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