Talk to Gastroenterologist on Stomach Problem

I have stomach problem since 2 years I used to felt pain in my stomach and after some pain I have to go washroom for stroll 3 to 4 time so then I consulted with doctor about my problem he wrote some medicine I recoverd for a short time but it was repeating again and again after some months and now a days still I am passing by this problem please suggest me what is the best solution of my stomach problem .