Anal fissures are small tears in the skin overlying the anus and cause pain and bleeding. Anal fissure causes include constipation, or straining with a bowel movement. Anal fissure symptoms include severe pain during a bowel movement, drops of blood in the toilet, and pain while sitting. Anal fissure treatment includes home remedies such as Sitz baths and a high fiber diet and medical treatment of such as medication, botox injections, or surgery. An anal fissure is a small tear in the skin around the anus that causes pain and bleeding when passing stools. Learn about the common causes, diagnosis, and treatment options for this condition. An anal fissure is a tear in the lining of your anus. Learn more about the symptoms of this painful condition. Learn the symptoms and causes of anal fissures , and effective treatment options. Understand how to manage pain and promote healing from this uncomfortable condition.