Pityriasis rosea (PR) is an acute inflammatory skin disorder ... lines of cleavage on the trunk in a characteristic Christmas tree-like pattern. Body surfaces with significant sun exposure are ...

A common skin concern, pityriasis versicolor is occasionally referred to as tinea versicolor. Here’s what you need to know about identifying and treating it. I still remember first noticing the ...

The coronavirus SARS-IgG AB titer was 275 binding antibody units/mL. The appearance of pityriasis rosea following the first injection of the AstraZeneca vector vaccine suggests a causal connection.

No, pityriasis rosea is not contagious. You cannot get it from another person. The cause of pityriasis rosea is not fully known, but experts believe a viral infection that triggers a skin reaction ...