Had no bm for 6 days. excruciating left abdominal pain yesterday, had bm, pain is now moderate/severe dull/sharp. nausea and dizziness. what is it?

Alarm signs to check: Recurrent abdominal discomfort is first addressed by accompanying signs/symptoms that may localize the organ involved: vaginal discharge or bleeding, alteration in periods, pregnancy risk? Fever, nausea, vomiting, altered stool pattern, blood with stool, tenderness, distension? Painful urination, blood in urine? Recent trauma, herniations? Age? Risk factors? Excruciating pain needs immediate eval.