I Have These Serious Rashes That Are A Disease Called

I have these serious rashes that are a disease called CARP OR CRP. It's spreading all over their circular rashes their spreading a lot under my boob all over my back I have pictures I can show of
My back and sen it to you. Can someone give me their email I can send the pictures plz help me. What should I do ? Is it serious.? I'm 17 my email is : YYYY@YYYY