Hello dear I understand your concern Blood in the stool should investigated by consulting the gastroenterologist. It could be a internal piles, polyp in the colon, inflammatory bowel disease, diverticulosis, fragile blood vessels, microscopic colitis. Undergo following investigations: fecal calprotectin, USG abdomen, rectal examination, sigmoidoscopy or colonoscopy. Treatment will depend on the cause of the problem. Meanwhile take following advices: Cramp could be related to constipation. Tablet dicyclomine Take soluble fiber like senna and laxative like lactulose Capsule lactobacillus Drink plenty of warm water. Hope this may help you Contact HCM for further health query Best regards Dr. Sagar