Polymorphic eruption of pregnancy

Question 1

Polymorphic eruption of pregnancy

Answer 1

• Also known as pruritic urticarial of pregnancy and toxic erythema of pregnancy
• Benign, self-limiting, pruritic inflammatory disorder

Question 2

Polymorphic eruption of pregnancy: incidence

Answer 2

1 in 160 and 1 in 300 pregnancies

Question 3

Polymorphic eruption of pregnancy: Risk factors

Answer 3

• Nulliparity
• Multiple pregnancies
• Causes of overdistension of the abdominal skin in pregnancy

Question 4

Polymorphic eruption of pregnancy: timing of symptoms

Answer 4

Third trimester or immediately postpartum

Question 5

Polymorphic eruption of pregnancy: symptoms

Answer 5

• Pruritic, erythematous papules located within the abdominal striae
• Periumbilical sparing
• It progresses to the trunk and extremities
• Sparing of the palms and soles in the majority of cases
• Does not affect the face
• The lesions can coalesce to form plaques or wheals, often resembling target lesions
• Most of the time it resolves within 4–6 weeks from the time of onset