Thanks for writing to us.
Pain in lower abdomen could be due to excessive gas, indigestion, constipation
, IBS, diverticulosis
, lactose intolerance
, acute appendicitis
, etc. Since you are having this pain for past couple of weeks, it needs to be investigated properly with the help of your gastroenterologist.
Investigations like ultrasound scan and colonoscopy are entailed.
I hope this information has been both informative and helpful for you.