Atopic Eruption of Pregnancy

Aka: Atopic Eruption of Pregnancy, Pruritic Folliculitis of Pregnancy, Prurigo of Pregnancy, Eczema of Pregnancy, Atopic Dermatitis of Pregnancy

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II. Pathophysiology

  1. Atopic Eruption of Pregnancy is a collection of immunologic-induced Pruritic Conditions

III. Causes: Atopic Eruption of Pregnancy

  1. Prurigo of Pregnancy (Common)
    1. Onset in second-half of pregnancy
    2. Erythematous Papules and Nodules over extensor arms and Abdomen
    3. Associated with Atopic Dermatitis
  2. Eczema of Pregnancy or Atopic Dermatitis of Pregnancy (common)
    1. Pruritic Eczematous Dermatitis affecting the face, chest and flexor extremity surface
  3. Pruritic Folliculitis of Pregnancy (uncommon)
    1. Prurigo of Pregnancy variant
    2. Pruritus is very mild (not a key feature)
    3. Onset in second half of pregnancy and resolves postpartum
    4. Diffuse erythematous follicular Papules over trunk (Abdomen, chest, back)
    5. Lesions spread to extremities (esp. arms)

IV. Differential Diagnosis

  1. See Pruritus in Pregnancy
  2. See Pruritus Causes
  3. See Contact Dermatitis

V. Course

  1. Onset in first trimester or second trimester of pregnancy
  2. Resolves postpartum within 2 to 3 months

VI. Management

  1. See Nonspecific Management of Pruritus
  2. Symptomatic management
    1. Skin Lubricants
    2. Topical Corticosteroids
    3. Oral Antihistamines
    4. UVB Phototherapy

VII. Complications

  1. Not associated with adverse fetal effects

VIII. References

  1. Erlandson (2023) Am Fam Physician 107(2): 152-8 [PubMed]

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