Hello,
The various possibilities which present with such
pain in the
lower left abdomen are diverticulitis, Crohn’s disease, bowel obstruction,
ovarian cysts and pelvic inflammatory disease,irritable bowel syndrome , kidney obstruction or pyelonephritis, psoas abscess and volvolus (twisting of the sigmoid part of the large bowel on itself).
Investigations like ultrasound abdomen, CT abdomen and colonoscopy are required to confirm a diagnosis.