I\\\’ve been having this cyst like pus in belly button 3 times this year, including now. I have visited a doctor 1st time in January and I was prescribe 5 day course anti-biotic and some cream. it got better and the 2nd time happen I end February and I was prescribe 7 days anti-biotic and some cream. It just came back again yesterday. Why is this happening to me? Could you advise me what to do? i\\\’m a male. 28 years old