<s>[INST] Hello i have been having left pelvic region pain accompanied by lower left abdominal pain, have been to ER they said not UTI, i have a appointment on monday but i am hurting with sharp pain increasing since this morning, have skipped my menstrual cycle for 2 months, but have the rod inserted in arm for birth control can u please give me some feed back as to what could be causing this pain no fever just pain that gets worse after a meal and have had some constipation the last few months? [/INST] Hi. Thanks for your query. Read and understood the problems. You have a pain in abdomen left pelvic and abdominal region, 2 months amenorrhea, pain getting worst after meals and have some constipation for last few months. You are also on birth control. The probable reasons could be:Colitis due to May reason. PID giving intestinal manifestations in constipation model would advise you the following:First the symptomatic treatment, in the form of an enema and laxatives as per the requirements of your intestines. Secondly have a course of a basic antibiotic active against intestinal infection, metronidazole, probiotic and activated charcoal tablets. Change the diet to the one that suits you the most, Avoid all the foods and beverages which increase such problems. High fiber diet. If these measures fail to give you the results, go for investigations under the care of a Gastroenterologist. ColonoscopyCT scan of the abdomen. Routine investigations of the blood to see for CBC, sugar, thyroid, liver and kidney status These investigations will HEL;p us to get a proper diagnosis and treatment </s>