The fissure may hurt when recovering from an old anal fissure, you can use nitroglycerin ointment, hemorrhoids fasting tablets and other drugs under the guidance of the doctor to relieve the symptoms, the specific situation should be further to the hospital for consultation. Old anal fissure is generally from acute anal fissure transformation, anal fissure after many episodes, repeated infections, resulting in larger ulcers, and finally formed old anal fissure, fissure in the recovery period may appear pain, and pain equivalent to the ordinary anal fissure appeared to significantly reduce. Anal fissure in the recovery period will be painful fissure, may be due to not yet fully recovered, should develop the habit of regular defecation, to maintain a smooth bowel movement, generally can relieve the pain, can be prescribed by the use of hemorrhoidal fast Ning tablets, nitroglycerin ointment and other drugs for treatment. Old anal fissure should eat more food rich in crude fiber, if the old anal fissure recovery fissure pain, should go to the hospital in time, give symptomatic treatment or surgical treatment.