What To Do For Sores In The Foot Like An Infection?

HELLO ,ABOUT A MONTH NOW I DEVELOPE 2 SORES ON EACH SIDE OF MY FOOT,BEFORE THEY BECAME SORES THERE WERE CLUSTERS OF PUS FILLED BUMPS THAT HAD AN ITCH TO THEM AND EVENTUALLY BUST AND FORMED A SCALB BUT WOUDN'T HEAL,THE I DEVELOPED BLISTERS UNDER MY TOES WITH SWELLING FIRST I WAS TOLD THAT I HAD CELLULITIS-SKIN INFECTION,WAS GIVEN AN ANTIBOTIC TO TAKE FOR TENS NO IMPROVEMENT THEN I WAS TOLD THAT I HAD ECEMIA WAS PERSCRIBE TO DIFFERENT FOOT CREAM NO IMPROVEMENT,SO NOW UNDERNEATH MY TOES LOOK LIKE A BIG BLOOD CLOT AND NUMB,I HAD BEEN OFF FROM WORK FOR 3 WEEKS BECAUSE OF THIS I VISITED THE DOCTOR ON 4/26/10 AND WAS TOLD TO RETURN TO WORK ON 5/1/10 BECAUSE THE 2 DIFFERENT FOOT CREAM SHOULD HEAL MY FOOT IN FIVE DAYS ALONG WITH SOAKING MY FOOT 4 TIMES A DAY WITH WARM WATER AND APPLYING VASELINE TO MY FOOT NOTHING HAS HELPED..I DO NOT KNOW WHAT TO DO.I AM A HOUSEKEEPER ON MY FOOT ALL DAY IN PAIN.