As mentioned, home treatments usually takes 4 to 6 weeks. Before you treat an anal fissure you should begin by understanding what it is.

Laxatives should be consulted with your personal doctor. In chronic cases, you may need to have medicine intake to completely heal it. You can also increase fiber and fluid intake and use stool softeners or laxatives to experience pain-free bowel movements. Medically, rectal fissure is a tear in the lining of the anus or lower rectum that causes pain during bowel movements. Home treatment involves "Sitz" bath or sitting in warm water for 20 minutes twice or thrice a day. Understand and Treat Anal Fissures the Right Way. Treat rectal fissure by using ointments and creams like zinc oxide, Preparation H or "Anusol". Good news is that there are home treatments that can do the job as fast as a few days or weeks if you only have acute anal fissure; but if it is a long-term problem or chronic, it will last more than 6 weeks.

The pain experienced during bowel movements usually dies within a couple days of treatment.