there's patches of white skin on my back.
then, i got them in my upper arms.
it seems to be getting worse. now, i have a small patch by my elbow.
as for my back, they used to be only on my lower back, but now it seems to be going up my spine.
they used to itch but now they don't.
what is it and how could i have gotten it???
and how do i get rid of it??
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