i m 20 years old......since 2 years i m not feeling well...sometimes i think it s gas problem...feeling weak, blurred vision , rise in heart beat or feeling beating in my stomach ...like bloating frequent stomach upset i also usually feel fullness in my ears and feel like i m going to faint....lightheaded sometimes i m alright but when i get these symptoms i feel uncomfortable cant go out can t do anything it s really affecting me:(