Medically reviewed by Leah Ansell, MD A rash on the inner thigh or near the groin can be caused by close-fitting clothing, ...

Pityriasis rosea (PR) is an acute inflammatory skin disorder characterized by erythematous scaling papules and macules. PR lesions are most commonly distributed over the trunk and proximal ...

Classically, pityriasis rosea begins as an erythematous, scaly patch on the trunk, known as a herald patch. This large lesion is commonly 2–10 cm in diameter, ovoid, erythematous and slightly ...