I Have Indigestion Like Shekar And 4 To 5 Time

I have indigestion like Shekar and 4 to 5 time loose motion in morning lgive treatment of physician and Gastroentrologist
Gastroscopi and colonoscopy done 3 year back result - normal ( but that time was not above symptoms)
C t scan of abdomen & pelvis done recently resut- no any abnormality seen
Blood investigation
B12- 465
Treatment tacken
T.nitazoxanide
T. Rabiprazole
T.doxy 1 od 20 days
T. Clarithromyne 5days
T.mertonidazole 5 days
T.mebex
When take medicine that time get result treatment stop again symptoms occurs
Please suggest good treatment