Patient: What would cause intermittent cramp and sharp pain in upper left side of abdomen?

Symptoms: Cramping pain began 4 days after starting antibiotics in Dec.
Hurt around side to mid back. Subsided. Returned seversal months ago. Now cramping and sharp. Worse at night and movement. Have had colonoscopy and spleen scan. Kidneys are ok scoped edophsagus last year. Diagnosed with irritable for years. Negative for c-dif. Gall bladder removed. Reflux