An anal fissure can occur when trauma or injury stretches the anal canal and tears the lining of the anus. Usually, this happens due the pressure exerted by large or hard stools. Some symptoms include pain and bleeding during and after bowel movements. It can cause extreme discomfort. However, acute anal fissure usually heals by itself, with some self-care, within six weeks. If it lasts longer than that, you may need medication or surgery.
Acute anal fissure
An acute anal fissure can be treated with simple remedies at home.
Chronic anal fissure
While these home treatment methods may not be painful, chronic anal fissure treatment can be a little complicated. Non-surgical treatment methods include applying nitroglycerin and anaesthetic creams, taking Botox injection, and blood pressure medications.
A chronic fissure that is resistant to all these treatments requires surgery. Doctors may recommend a procedure known as lateral internal sphincterotomy. A small part of the anal sphincter muscle is cut to reduce spasm and pain, and facilitate healing. It is a procedure carried out under a general anaesthetic, and you won’t usually have to stay overnight at the hospital. Healing occurs within 2 to 4 weeks. There is usually a little amount of bowel incontinence which goes away after a few weeks.
Another procedure known as advancement anal flaps is done by taking healthy tissue from another part of the body and using it at the fissure site to improve blood supply and repair it.
Since the surgeries are done under the influence of an anaesthetic, they would not be painful. Post-surgical inconvenience dissipates within a few weeks. Any pain or discomfiture caused by acute anal fissure can be alleviated with the help of painkillers and laxatives. Thus, it is not a tremendously painful affair.
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