I got burned on 8th on the one spot that came in contact with my bike silencer. Even I wore a pant but I sustained injuries and my entire flesh from that wound of around 5 to 7 inch came out. So immediately I applied ice wrapped in a cloth which eased my pain and then I applied vaseline as given online and yesterday I applied boroplus at night and today I saw some pus being developed around it so can someone tell me what should I do?? I have been taking baths and washing the area with water. It has also gone black( the wound). What should I apply on it??