my ds(10) has spots and scabs all over his body.It started 3 weeks before xmas. On his shins the scabs are bad about 3 inchs wide. Doctors at a loss,has tried all the creams and pills he can. now waiting for an emergency dermotology appointment.looks like psoriasis but not sure.It is starting to affect my son now as it is on his face.Doc said appointment could take wks!anyone any advice?