i HAVE A WOUND IN MY LEFT HAND SIDE OF MY KNEE, I BURNED IT WITH AN ELECTRIC BLANCKET ITS BEEN A MONTH AND I AM DIABETIC AND STILL ITS NOT HEALING, I WENT TO THE DR. SHE G AVE ME BACTRIM 800 MLG, TWICE A DAY, PLUS I HAVE TO CLEAN IT TWICE A DAY AND CHANGE THR GAUZE, ITS SWOLLEN FROM THE OUTSIDE AND THE INSIDE OF THE CIRCLE I GET NO SCAB, IT COMES AND GOES WITH THE OINTMENT. WHAT SHOULD I DO