Diverticulitis develops from a condition called diverticulosis. In diverticulosis, small bulging pockets (called diverticula) form in the lining of the digestive tract — usually in the colon.
Anal fissure is a small tear in the skin around the anus. It causes pain and bleeding during passing of stool. Many people get this problem again and again. This is called recurrence.
An anal fistula is a small tunnel. It forms between the skin near the anus and the end of the bowel. It usually develops after an anal abscess. The abscess drains but leaves behind an infected tract.
Constipation is a very common digestive problem. Many people in India suffer from it at some point in life. Still, there is a lot of confusion around what actually causes constipation.