Hello, My Scalp Hurts All Over. It Hurts To Touch,

Hello, My scalp hurts all over. It hurts to touch, comb, or roll my hair, it feels like scalp has thinned out. It hurts all day, every day. I have to wear a wig because my hair is coming out in the top. I want a perm, but it really hurts to put any chemicals in it. I have to wait for a long time before I comb it