I Am Pain On My Right Side Of My Lower

I am pain on my right side of my lower belly. Recently l was having severe pain on back side of my rib cage. Even at the time of sleep, l could turn around before of very severe pain. I took some anti biotics & pain killers, l recoverd. But l still have pain in lower right of belly but when l take cystone & couple of glasses of water, l get little bit relif. Can you give me better advice