Thank you very much for contacting healthcare magic. Constipation problem may cause hard bowel movement. Lack of water and high fiber diet cause constipation problem. Intestinal infection or obstructions may cause constipation problem. Hemorroids may cause irritation and blood in stool problem. Anal fissure may cause itching sensation around anus. Proper anorectal examination is helpful for further diagnosis. Take high fiber foods to avoid constipation problem. Drink more water per day. Avoid gaseous foods like cabbage, cauliflower etc. .. Avoid stress. Eat fresh fruits and green vegetables. Bulk forming agent like psyllium can use. Consent a gastroenterologist for further diagnosis. I hope my guidance is helpful to you. Thank you very much.