My 7 year old boy always have discharge from ear from many years and ent used to give antibiotics and cure it but it always used to recur in few months whenever he eats cold items or water goes into his ears or when he has cold.last week our paediatrician told to take a culture and have attached a report is it normal or how .he have a peculiar problem from past 4 years  like whenever he moves his neck up and down there is a clicking sound but no pain or anything he says .what is this .is this crepitus or how.he is into this medication after the culture done.