Talk to Gastroenterologist on Abdomen Pain

Salamz its been a year that i am having upper abdomen pain on and off and it has bocoming severe now a days. A pain with sometimes constipation and painful gas and sometimes loose motion which are sometimes with mucus and blood mostly after 2 or 3 feces.. Now a days i am having pain all the time in upper abdomen. Having so many treatments and courses of antbiotics but no gain. Pain is same please help me..