I have been having severe abdominal pain and blood in stool for the past 3-4 months and the pain pertains to remain through the day. I get tired often and I have also experienced a severe loss of weight. I don't feel hungry and always feel full. The recent past it has become too gassy and some mucus kind of stuff comes out along with my poop and it also has some red blood stains. I also experience a change in my bowel movement and I have only been getting constipated stool for the past 2 months