What foods should be avoided with anal fissures?

Written by Deng Heng

Colorectal Surgery

Updated on January 12, 2025

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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 Chen Tian Jing

Colorectal Surgery

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How many days can an anal fissure heal?

Mild anal fissures or those with shallow cracks can generally heal within about a week through local heat application or by applying hemorrhoid cream. However, there is another type of anal fissure known as chronic anal fissure. Chronic anal fissures primarily involve ulcer-like infectious changes at the local site, hence, they cannot heal on their own and can only be alleviated by lubricating the stools and applying hemorrhoid cream locally. In some cases, conservative treatment might not be significantly effective for chronic anal fissures. If surgery is performed, the recovery time is approximately 20 days. It is recommended that patients with chronic anal fissures undergo surgical treatment with endoscopic loosening.

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Written by Li Xiao Jie

Internal Medicine

39sec

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What should not be eaten with anal fissure?

Patients with anal fissures should be cautious with their diet, avoiding spicy and irritating foods to prevent exacerbation. They should also consume foods rich in roughage, such as cornmeal, sweet potatoes, celery, leeks, and cabbage, which can facilitate bowel movements and prevent the aggravation of anal fissures due to dry stools. Additionally, alcohol should be avoided as it may dilate blood vessels and lead to increased bleeding. It is essential for patients with anal fissures to maintain smooth bowel movements and avoid sitting or squatting for extended periods.

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Written by Xu Jun Hui

General Surgery

48sec

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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 Deng Heng

Colorectal Surgery

39sec

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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 Chen Tian Jing

Colorectal Surgery

51sec

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How to improve anal fissure bleeding?

To improve anal fissure and bleeding, the first step is to treat constipation by softening the stool, as most anal fissures are caused by dry stools tearing the local skin and mucous membranes of the anus, leading to bleeding from these tears. For those experiencing pain and bleeding due to anal fissures, it is advisable to apply sesame oil around the anus before each bowel movement to prevent irritations from stool aggravating the fissure, which can cause recurrent pain and bleeding. After defecation, hemorrhoid cream can be applied for hemostatic treatment, and medicinal herbal solutions can be used for local compression and hot compresses to promote the growth and healing of the fissure. (Note: Medications should be used under the guidance of a doctor.)