How to cure anal fissure bleeding

Written by Deng Heng
Colorectal Surgery
Updated on May 28, 2025
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Anal fissures are a common anorectal disorder, primarily characterized by the formation of small ulcers due to skin lacerations below the dentate line. The main symptoms are bleeding and pain during defecation. Generally, the amount of bleeding is small, noticeable on toilet paper or with a trace of blood on stools. The primary principle of treatment is to address the spasms of the internal sphincter to facilitate the healing of the wound. Common treatment methods include anal dilation and surgical excision, with the overall objective being to alleviate sphincter spasms and promote wound healing. Only when the issue of the anal fissure is resolved will the bleeding gradually alleviate.

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Written by Deng Heng
Colorectal Surgery
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What foods should be avoided with anal fissures?

People with anal fissures should avoid consuming chili peppers and alcohol. Chili peppers contain a compound called capsaicin, which can strongly irritate the nerves in the gastrointestinal tract and the ulcers of anal fissures, causing severe pain in the affected area. Additionally, capsaicin can dilate the mucosal blood vessels, leading to bleeding in the anal fissures. Alcohol has a similar effect, as it can exacerbate congestion and blood stasis in the anal and rectal areas. In most cases, consuming chili peppers and alcohol can intensify the pain.

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Written by Wang Ji Zhong
Internal Medicine
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What should I do if I have anal fissure bleeding?

The main symptoms of patients with anal fissures are bleeding and pain. Extended periods of bleeding can first lead to local infections and secondly to systemic anemia, thus immediate and timely treatment is necessary. Firstly, maintaining good personal hygiene is crucial; this includes daily cleaning of the anal area and using hot sitz baths to help improve venous circulation. Secondly, it's important to drink plenty of water, eat fresh vegetables and fruits, avoid spicy foods, and ensure regular bowel movements. In this situation, topical medications can be used. Treatment with suppositories that invigorate the blood and reduce stagnation can have a local anti-inflammatory effect. If medication does not sufficiently resolve the issue, surgical treatment options such as internal anal sphincterotomy or anal fissurectomy can be considered, which can provide a complete cure.

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Written by Deng Heng
Colorectal Surgery
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Characteristics of anal fissure with bleeding

An anal fissure is a small ulcer formed by the full-thickness splitting of the skin of the anal canal below the dentate line. A characteristic of bleeding due to an anal fissure is that it generally occurs along with periodic, tearing-like pain. Thus, bleeding and pain are the main clinical manifestations of an anal fissure. During defecation, the damaged surface can lead to bleeding from the fissure, usually with a small amount of blood. The stool may have streaks of blood, or there might be a few drops of fresh blood after defecation, or a slight smearing of fresh blood on toilet paper during wiping.

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Written by Xu Jun Hui
General Surgery
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How to treat hemorrhoids, bloody stool, and anal fissures?

Hemorrhoids and anal fissures are two different conditions. Generally, the early treatment for anal fissures is similar to that for early hemorrhoids, which is conservative treatment. This includes ensuring smooth bowel movements, preventing constipation, avoiding dry stools, preventing prolonged bowel movements, and avoiding sitting still for long periods. If the amount of bleeding is small, conservative treatment as mentioned above, along with the application of local medication around the anus, can control the symptoms. Regularly consume vegetables and dietary fiber. If there is severe bleeding from hemorrhoids or severe pain due to a large fissure in anal fissures, relevant examinations should be conducted. After ruling out other conditions, surgery may be necessary.

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Written by Yu Xu Chao
Colorectal Surgery
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What is the best treatment for a minor anal fissure?

Minor anal fissures, which are early-stage fissures, mainly manifest as pain during defecation and minor bleeding, but the pain does not last long and is primarily associated with defecation. For minor fissures, it is generally recommended to choose conservative treatment with medications and dietary regulation to ensure smooth bowel movements. Typically, after defecation, one can choose to use an anal cleansing solution or a potassium permanganate solution for a sitz bath. After the sitz bath, apply Dragon Ball ointment or nitroglycerin ointment locally to promote the healing of the ulcerated surface. At the same time, in terms of diet, one should drink more water and consume foods rich in dietary fiber to maintain smooth bowel movements as much as possible, avoiding dry and hard stools, which also helps in the healing of minor anal fissures. Additionally, patients should pay attention to keeping the anal area dry and clean, avoid irritating the wound, and prevent infection that could exacerbate the condition.