What Causes Bump Oozing Liquid On Back Of Head?

part 1: I had a bump on back of head that was weeping i thought it was healing a large amount of drainage released from this area near the occipital gland. I m looking at a picture so I can tell you the exact area. It s been 2 1/2 weeks it is still weep. There is more. But i need to know what s causing this drainage. the drainage is a thin very light weight mucous.