Talk to Gastroenterologist on Stomach Ache

i took the augmenting last month, due to this i face diarrhea like jelly type thick with blood, i consult with doctor after taking medicine i was OK but after 20 days i feel problem of jelly type stool with small blood then doctor give me medicine, when i was taking medicine the problem was OK but i feel pain in my stomach and back side of stomach (kamr par) and some time in left side of abdomen, after complete the medicine 5 day this pain gradually become less day by day , now i feel little pain in my stomach when empty or when i do some hard work and when i eat it disappear. plz tell me problem