Pityriasis rosea (PR) is an acute exanthematous disease. Typically preceded by a primary solitary herald patch followed by the onset of smaller scaly papulo-squamous lesions on the skin tension lines within… Click to show full abstract
Pityriasis rosea (PR) is an acute exanthematous disease. Typically preceded by a primary solitary herald patch followed by the onset of smaller scaly papulo-squamous lesions on the skin tension lines within days to weeks.1 Reactivation of herpes virus 6 and 7 has been incriminated as a possible aetiology, as well as bacterial infections, vaccines and certain drugs.2.
               
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