hi Doctor, i have bad breath since two months... almost 4 months before i awake up at nigh i was having flu at that time..... i was shocked that i was not able to breath properly, my brother took me to Doctor, with help of oxygen mask and few medicens i recovered at that time and but same day i faced that problem again this time i womited unwillingly and after that bad breath problem disapear but after 2 months of this,,,,,, whenever i go to bed at nigh and lay i feel that i am struggling to take breath properly... i feel that something is in righ side of my throat and i am not able to breath from my righ lung.... Please help me