Hello this is a hard ?? to ask but help stop the pain please?

TO START WITH MY FAMILY AN I ARE VERY CLEAN WE ARE NOT SCARED OF A BAR OF SOAP AN WATER L.0.L BUT FOR SOME REASON 4 THE LAST TWO MONTHS I HAVE BEEN GETTING LITTLE SORES ON MY SCALP, AT FIRST I DID NOT THINK TO MUCH ABOUT IT BUT NOW I HAVE STARTED TO WORRY' THEY ARE SMALL LIKE THE HEAD OF A PENCIL LEAD WITH SMALL HEAD ON THEM. AFTER MY WIFE GETS THE HEAD OFF THEN THERE IS CLEAR FLUID IN THEM AN THEY ARE VERY VERY PAINFUL IAM A WELDER SO I HAVE TO WEAR A WELDING CAP AND A WELDING HOOD 4 ABOUT 8HRS A DAY.THEY DON'T HEEL FAST AT ALL IT MAY TAKE WEEKS TO HEEL GIST ONE THE MOST I HAVE EVER HAD WAS 4 TO 5 AT ONE TIME . THE ONLY THING I CAN THINK OF IS THAT ONE TIME I HAD MERSA 2 YEARS AGO BUT I WENT THREW IV ANTIBIOTIC TREATMENT THAT TOOK 4 WEEKS AN THE SORES WERE NOTHING LIKE THIS ANYWAYS I HAVE BEEN USING MEDICATED SHAMPOO CALLED HIBICLENS AN THAT DOES NOT SEEM TO HELP MUCH WELL I CANT THINK OF ANY OTHER DETAILS TO ADD BUT MAYBE SOMEONE CAN HELP PLEASE ONLY SERIOUS ANSWERS THANK U