Hi. Thanks for your query and an elucidate history. Your history of feeling like beating with a bat and barely able to sit or walk are suggestive of severity of the pain and possibility of some ominous diagnosis underlying. I would advise you the following: Get admitted to the hospital so that you can be given intravenous fluids and antibiotic and tested properly. You need a clinical examination and to see whether you have rebound tenderness. This indicates a reason for surgery. Also to undergo the tests of Standing X-ray abdomen and ulrasonography as well as other relevant blood and urine and stool tests. Proper treatment depends upon the findings, which can be Peritonitis due to : Perforation of bowel Twisted ovarian cyst and so on