Sometimes I feel my nose is blocked especially in the morning when I wake up from a couple of years... And Also I have Cough(with less to moderate phelpgm) that doesn't completely cease at all I mean there is always a presence of phelpgm (Generally whitish and occassionally a bit yellowish) What is it? What can be done to get rid of cough and blocked nose permanently Any tests required for persistent mild to moderate cough.. (And No I don't smoke)