Hi,
I am 24 year male,i have been smoking for 4 years(less than 10 cig a day)and recently i noticed some blood in my phelgum twice in gap between 3 days.it was 20 days before, then after i quit smoking .i felt diziness,weakness,anxiety and had cold and cough.still sometimes i spit phelgum but no cough,no blood,though i have sore throat.do i need to be worry or it was a normal sign.i am almost normal now .no alarming situation. please help me.thanks.