Pigment

Pityriasis Alba

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Pityriasis Alba, Pityriasis Streptogenes

  • See Also
  1. Atopic Dermatitis
  2. Dry Skin
  3. Dry Skin Management
  • 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 (faint erythema may be present)
    2. Indistinct margins
    3. Fine scale
    4. More noticeable in Fitzpatrick Skin Types 3-6 (darker skin)
  2. Distribution
    1. Face, head and neck
    2. Forearm
  • Management
  1. Self limited and does not require treatment
  2. Sunscreen should be used
  3. Calcineurin Inhibitors
    1. Topical Tacrolimus 0.1% ointment twice daily for 12 weeks
    2. Rigopoulos (2006) J Dermatol 155(1): 152-5 [PubMed]
  4. Other symptomatic management
    1. Topical Corticosteroids (e.g. Hydrocortisone 0.5 to 2.5%)
  • Prevention
  1. Sunscreen
  • References
  1. Plensdorf (2017) Am Fam Physician 96(12): 797-804 [PubMed]
  2. Wilson (2026) Am Fam Physician 114(4): 345-57 [PubMed]