Dull Pain In Left Lower Abdomen Radiating To The Right And Back. On Turmeric Pills, No Relief. Suggestions?

hi, i ve been having dull pain on my lower left abdomen , then the pain radiates to the right lower abdomen, sometimes little cramps on my lower left side of my back , sometimes like a knive stubbing me through my upper left back for a little bit of time , then the pain stops, then sometime feels pain on my whole lower abdominal area then sometimes the pain stops. I have constipation also, what is all these little cramps . right now i m taking turmeric pills , it s antiinflammatory . pain still there, . I got a urine test, it s negative.