 [ Symptoms ] large red bump leaking puss on the back of the head my boyfriend has a large bumpgrowthbubble on the back of his head near his neck that has been there for almost 2 years when it first appeared he saw a doctor who told him to ignore it if it does not bother him recently it has started to hurt with pain increasing as the time goes by it has become red and come to a head almost like a pimple and is now leaking a whitish fluid kind of like puss [ Disease ] you may advise your boyfriend to see a board certified dermatologist about that particular concern or he may check out www clearclinic com