Trauma or injury can stretch the anal canal and create a tear in the lining of the anus. These tears, known as anal fissures, usually come from passing large or hard stools. They can cause pain and bleeding during and after bowel movements.
The goal for treatment is to relieve pain and discomfort, and heal the torn lining. Acute anal fissures -- the ones that don't last longer than 6 weeks -- are very common and usually heal on their own with self-care. Chronic anal fissures -- those that last longer than 6 weeks -- may need medicine or surgery to help them heal.
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If your fissures are caused by constipation or diarrhea, you can change a few habits to help lessen the strain on the anal canal. These steps can help relieve symptoms and encourage healing in most cases.
Eat a fiber-rich diet. To avoid constipation, your goal should be to get 20 to 35 grams of fiber every day. You can gradually increase the amount of fiber you eat by having more:
Whole grains, including brown rice, oatmeal, popcorn, and whole-grain pastas, cereals, and breads
Peas and beans
Seeds and nuts
Prunes and prune juice
Try fiber supplementsif you can’t get enough fiber from food. They can help soften stools and make you more regular. To avoid gas and cramping, gradually raise the amount of any fiber supplement you take until you reach the recommended dose.
Over-the-counter laxatives may help if adding more fiber to your diet does not. Before taking any laxatives, ask your doctor what she suggests.
Don't ignore your urge to go. Putting off bowel movements for later can lead to constipation, meaning stools that are hard to pass and that can cause more pain and ripping.
Don't strain or sit on the toilet too long. This can increase pressure in the anal canal.
Gently clean and dry your anal area after each bowel movement.
Avoid irritants to the skin, such as scented soaps or bubble baths.
Sitz baths, or hip baths, can promote healing of an anal fissure. By soaking the rectal area in a tub of warm water -- two or three times a day for 10 to 15 minutes -- you can clean the anus, improve blood flow, and relax the anal sphincter.
These habits are usually enough to heal most anal fissures within a few weeks to a few months. But when they aren't enough, ask your doctor about other treatments.