Back to Anal fissure. Like other small cuts or tears to the skin, an anal fissure will often heal by itself within a few weeks. Most anal fissures will heal with treatment, although they can happen again easily, particularly if you don't follow the self-help advice outlined below. There are a number of different medicines your GP may recommend to help reduce your symptoms and allow your anal fissure to heal. Adults with an anal fissure will usually be prescribed bulk-forming laxative tablets or granules. These work by helping your poo retain fluid, making it softer and less likely to dry out.
Anal fissure - Wikipedia
We include products we think are useful for our readers. If you buy through links on this page, we may earn a small commission. An anal fissure is a small cut or tear in the lining of the anus. The crack in the skin causes severe pain and some bright red bleeding during and after bowel movements. At times, the fissure can be deep enough to expose the muscle tissue underneath. In most cases, the tear heals on its own within four to six weeks. Certain treatments can promote healing and help relieve discomfort, including stool softeners and topical pain relievers.
What to Expect after Fissure Surgery
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An anal fissure is a break or tear in the skin of the anal canal. Anal fissures may be noticed by bright red anal bleeding on toilet paper and undergarments, or sometimes in the toilet. If acute they are painful after defecation,  but with chronic fissures, pain intensity often reduces. Anal fissures usually extend from the anal opening and are usually located posteriorly in the midline, probably because of the relatively unsupported nature and poor perfusion of the anal wall in that location. Fissure depth may be superficial or sometimes down to the underlying sphincter muscle.