plz help me...Daily i suck out the secretion from the back of my nose and bring out from the mouth without any precedings of cough,it is sputum without cough,it is white and sticky substance,it only comes when i suck .it comes somtimes from back of my nose or sometimes direct from throat.
please tell me
1)what is this problem??
2) what is the cause and the cure??
i am having this quite a long tmie.