Suffering from excessive sputum production from nose to back of the pharynx since March 2019 . No coughing, no fever , no weight loss . Sputum is tranperent with excess of bubbles . and morning it usually of yellow colour . And when i forcefully inhale through nose to clear mucus from upper part it comes in yellow colour at morning and a small Dot of blood a very small Dot of blood comes out dot is of grain size . And it vanishes after morning.