Suggest Treatment For Infected Boils On Head,groin And Legs

I am a 37 year old male and obese. I am bald and normally get my hair clippered. I have had these boils and spots which are pussy all over the side of my head and esp on the back of my head. The back of my head is very bad and extremely painful. I have seen a skin specialist who has subscribed me fluxocillion which I have been takinf for 6 months now with no results. These are also all around my groin area and the inside of my legs