I'm 22 years old sir I have gas or fullness in stomach the doctor prescribe me pantop-40 I take for a month nothing relief me from fullness after food and hard to breath when sit a little bit bend its so irritating what to do, its along with nose congestion and like neck infection, which doctor should I consult and what the real problem I feel uneasy after food accompanied with nose congestion, when I have belching of gas in my mouth I feel easy in breathing after sometime the same process I need help I can't even do things sincerely with this irritation thank you.