My 8 year old son has been itching a spot on the back of his leg to the point of bleeding.  He just showed it to me this evening.  Upon inspection of his legs, I squeezed a lot of thick puss and now blood out of another under it.  It also appeared that I pulled some dead tissue out.  Quite gross.  He has a few smaller pimples on his legs that Im not touching.  Hes the only one in the house that has this issue and he does share a bedroom with his 6 year old brother.  Any ideas??
HI, thanks for using Chat Doctor It may be an abscess. This is a collection of pus. It is possible that he had an insect bite and when scratching the area, introduced bacteria under the skin which resulted in the abscess formation. The treatment is incision and Chat Doctor.