Anal fissure is a tear or an ulcer in the anal canal. The symptoms of an anal fissure can include a sharp shooting pain in the anus while passing stools or while passing stools which may also last for hour together. Some patients may also experience blood in the stools or in the toilet paper. One of the cause for developing fissure is due to repeated constipation. Frequent diarrhea is also known to trigger fissure. most cases occur in people who have chronic constipation especially when a large