Hello I have these lil spots on back of head ,its just on the bottom ,where the hairline is , its a row of likr spots that turn into scabs time to time , I had these since 2012 , the doctors given me various creams and that , they said its some sort of bacteria infection ?but the last time I went doctors ,they simply said the spots can t get better , its very painful in the heat and when I get a haircut, any solutions ?