Talk to Gastroenterologist on Stomach Problems

I took antibiotic medicine (Augminton 1000mg) continusely 20 days 2 times a day, 1 tablet a time 5 years that,I am facing stomach problem,in early days loose motion,and fell tightning under navel (naaf) I visited a doctor he treated me and I recovereD but after thar whenever I eat some spicy then start loose stool and pain .After this visited many of doctors even I visit CMH hospital but not recovered .Than I start to control my diet and starting to far away from spicy days I fell good and some days I have to face loose stool and now since 4 months problems are continues like red loose once come little bit blood in stool.I did not visit any doctor now.I just want a Doctor that will proved perfect for tell me the solution of this problem or suggest a for me