Pityriasis Rosea
Pityriasis rosea (PR) is a red rash that usually starts with one large, round spot on the torso which later spreads to become a truncal rash characterized by oval scaly patches. Fortunately, PR is not too itchy and the spots are mostly just bothersome in appearance. PR is thought to be caused by a virus and resolves spontaneously in 6-8 weeks.
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