A member asked:

A few times i would see unusual scratches on my body. they are usual in a design like x or circle or str8 lines. i know i did not do it. what is that?

A doctor has provided 1 answer

?Dermatographism: It is unusual for shapes like this to develop due to an internal problem. More commonly they are due to an external trigger, maybe sitting on a seat edge can cause a line, or over a button can cause an x like shape. Dermatographism, a physical urticaria or hives, may be responsible.

Answered 12/9/2013

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