Suggest Treatment For Stomach Irritation And Gastric Problems

I pass stools immediately after eating food, drinking juice or milk. Whatever i intake, i pass it out. Also i have an irritable sensation in my abdomen with gastric problem..acidity and non stop bloating the problem re-occurs very frequently and i have been suffering from last 8-9 yrs i was last taking rifagut-400, normaxin, unicontin E CR, rabium 20mg, D rise 60K, libotryp and telekast i felt fine for some time but am again down with the sme problem...i started taking normaxin and rigafut again but i dont think its helping.