M 35 Yrs Old Nd I Have A Prob In

M 35 yrs old nd I have a prob in intestine after when we take meals the heavness in abdominal .bloating.every time pressure on rectum. Mucus in stool digestive system is weak wt we will do the doctor diagnosis this is a prob of ibs nd nw we will take medicine metrogyl compound 5 days in 15 days nd amubulax et at night nd before meals we take memoctys before meals. Nw please help which medicine is better or ny other treatment or test.