Hi sir, I am 21 years old .my problem is when I wake up morning I will get blocked nose. Y dis happens I am suffering from this from past 6 months .and it goes of it won't be there though out d day .and night wn I slp I get once again D's blocked nose and if I try to clear d nose I will get cough and if I cough hardly for more time mnzz I will wheezing sound when I breathe .plzz say y D's s happening and I consult doctor he says cold and gives injection after taking that 1month it won't come and then once again it stars .y D's s happening. Is there any problem.