Polymorphic Eruption of Pregnancy, also known as Pruritic Urticarial Papules and Plaques of Pregnancy, is a common benign dermatosis of pregnancy related to stretching of the abdominal wall, frequent misdiagnosed with an allergic reaction. It usually appears during late third trimester and resolves within few days or weeks or after deliver.

The authors present a case of Polymorphic Eruption of Pregnancy with its typical features appearing for the first time 5 days after delivery. The patient had an acute broad highly pruritic rash with coalescent papules and plaques affecting the abdominal wall, proximal arms and tights. One week after topical steroid treatment the patient had evident recovery both in pruritus and cutaneous lesions.