i have had svere right side abdominal pain that comes and goes for 7 months now. it starts either in the lower belly or right side and then spreads. it is kindof like cramping except that it is one conatst severe cramp that can last upto an hour. and the pain will all of the sudden come. it comes with alot of foul smelling diaherraeh.i have not had my period for 3 months but blood and urine tests show no pregnancy. i have been checked for cancer and ulcers by and colonoscopy and endoscopy but the only thing that showed was a little irratation in the stomach. iwas at the hospital a couple of nights ago be cuase the pain wa s o severe that i was covered in sweat and clammy to the touch. they did a cat scan that showed a enlarged right ovary. pain medicine does not work not even morphine. i am on methotrexate for auto immune optic nueropathy but my liver enzymes are fine. i get this pain at least once a week. what could it be? i need help!