I have occasional amounts of bright red blood in my stool i had a colonoscopy and a ct scan that revealed nothing says my gp i have pain in lower righ?

?info: Bright red blood generally means that the bleeding is near the end of your intestinal tract; like a hemorrhoid or fissue or tear in the lining of your rectum. Fissures tend to be painful; hemorrhoids might not be. If you weren't bleeding around the time of your colonoscopy these could have been missed. Anoscopy at the time of bleeding might be helpful. Is there pain in your right lower abdomen?

See your doctor: Probably not cancer, but need further workup. Much more likely an anal fissure or hemorrhoids related to constipation/low fiber diet. Please see your doctor fora complete history and physical. Depending on that workup, further evaluation by a general surgeon or gastroenterologist may be appropriate. Colonoscopy may be indicated.

Blood from fissure: Bright red blood is low down in the GI tract, possible just above anal canal that may be derived from a fissure. With a neg. CT scan and colonoscopy, bleeding from a lesion of bowel ruled out. Occasionally a AV malformation can result in bleeding but neither are related to pain in lower rt. In male one should look at some low grade inflammation around the appendix.