Hi, I have been facing this problem from several months. first, my abdomen started to swollen, then I am having frequent loose stools no matter what I eat and it stays for weeks , with a pain in stomach. my Stool color is black or dark brown most of the time without taking any medicines. i am also suffering from another type of sharp pain, it starts from abdomen and then goes to rectum area, it gets severe sometimes and i can\'t move when this happen. no blood in stool. please suggest, i am much worried.