I have something on my skin on my left leg that I tried to pop but was non successful. It is swollen and is painful and hurts when I stand and let blood rush to it. If I touch it, there is an indentation left in the skin around it. I am taking some trimethopam that I had left over from an infected thing I had before, but there is no puss with this, at least yet. Should I go to the doctor or is there something I can do at home?