hi,, last year i suffered from a deep cough for almost 2months. since then 'till now i am spitting phlegm especially when i woke up in the morning. i feel like i always have a phlegm stuck on my throat. very discomfort feeling i have in my throat. and lately after i spitting phlegm and trying to cough it up more,, im shocked im spitting blood. and its happening now regularly ... what is the problem? is this serious? please help me...