What Should I Do About Gas, Abdominal Pain, Bloating, And Weakness For Over A Fortnight Despite Taking Pan 40, Zerodol-P And Norflox-TZ?

Hi , I am suffering from gastric gas, pain in abdomen after eating, feeling fullness, feeling weakness ,low energy level, boating also , for more than 15 day , I am taking some medicine by prescription of doctor - pan 40 , zerodol p , norflox tz, but still not relief, please suggest