Pigment

Pityriasis Alba

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Pityriasis Alba, Pityriasis Streptogenes

  • Associated Conditions
  1. Atopic Dermatitis
  • Epidemiology
  1. Found in children and young adults
  • Symptoms
  1. Mild Pruritus may occur
  2. Triggers
    1. Significant unprotected Sun Exposure
  • Signs
  1. Characteristics
    1. Hypopigmented irregular patches
    2. More noticeable in skin types 3-6
  2. Distribution
    1. Face, head and neck
    2. Forearm
  • Management
  1. Self limited and does not require treatment
  2. Sunscreen should be used
  3. Symptomatic management
    1. Topical Corticosteroids (e.g. Hydrocortisone 0.5 to 2.5%)
    2. Topical Tacrolimus 0.1% ointment twice daily
  • Prevention
  1. Sunscreen
  • References
  1. Plensdorf (2017) Am Fam Physician 96(12): 797-804 [PubMed]