View Christmas Tree Rash Disease PNG. The rash is normally seen in people between the ages of 10 and 35. It typically starts with one large oval or oblong patch christmas tree rash can last up to 10 weeks and usually clears on its own.
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The medical name for it is pityriasis rosea.
Pityriasis rosea is a skin disease that is common in the general population and over the last several years has become known as the christmas tree rash. Cause off christmas tree rash and treatment. It will go away on its own eventually. The virus theory is the most common and widely accepted till date.