How to treat anal fissure bleeding

Written by Yu Xu Chao
Colorectal Surgery
Updated on May 21, 2025
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For early anal fissure bleeding, the first step is to soften the stool by eating more foods high in rough fiber to maintain smooth bowel movements as much as possible. This prevents hard and dry stools from irritating the fissure, causing bleeding or worsening pain. Additionally, after defecating, it is necessary to take a sitz bath using warm saltwater or an anal cleansing solution. It is generally recommended to sitz bath for five to six minutes, which can have anti-inflammatory and hemostatic effects. After the sitz bath, apply Dragon Ball ointment or nitroglycerin ointment locally to promote ulcer healing. Typically, symptoms can significantly improve within seven to ten days of medication. However, if the patient has chronic anal fissure with prolonged pain after each bowel movement, surgical treatment is needed due to fibrous scar formation in the internal anal sphincter. In such cases, an anal fissure excision surgery might be undertaken, followed by dressing changes using medications like red oil ointment gauze or golden ointment. (Please follow medical advice regarding medication.)

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Written by Yu Xu Chao
Colorectal Surgery
1min 5sec home-news-image

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.

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Written by Chen Tian Jing
Colorectal Surgery
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Can a colonoscopy be performed with an anal fissure?

Patients with anal fissures are advised not to undergo colonoscopy, primarily because the procedure involves inserting the colonoscope through the anus, and anal fissures typically occur within the local sphincter muscles. The passage, or repeated movement, of the probe can cause local fissures to experience painful stimulation, or even worsen the symptoms of the fissures, increasing the likelihood of pain and bleeding for the patient afterwards. Therefore, if patients with anal fissures wish to undergo colonoscopy, they should first receive appropriate medical treatment and wait for the local fissures to heal or be completely cured before undergoing the procedure. If a colonoscopy is necessary, a lubricant can also be applied to the anal region to reduce the irritation of the colonoscope on local fissures.

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Written by Chen Tian Jing
Colorectal Surgery
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What should be paid attention to for anal fissures usually?

Patients with anal fissures primarily develop the condition due to a history of dry stools or straining during early bowel movements. Therefore, it is important for patients to ensure smooth bowel movements and avoid excessive dryness of stools. Diet adjustments should include consuming more bland vegetables and fruits, and avoiding spicy foods such as chili peppers, seafood, and mutton, which are irritants. Additionally, ensuring adequate daily water intake is crucial to prevent dryness in the intestinal feces. Besides dietary and bowel adjustments, patients with anal fissures should actively seek medical treatment during acute episodes to prevent the recurrence of early fissures and the formation of chronic fissures. Early-stage fissures may be treated with topical medications to alleviate symptoms, while chronic fissures may require surgical intervention. (Medication should be administered under the guidance of a doctor.)

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Written by Du Rui Xia
Obstetrics
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What should pregnant women do about constipation and anal fissures?

During pregnancy, due to some special reasons, pregnant women are prone to constipation, and severe cases may develop anal fissures, bleeding, and pain. In such cases, it is first necessary to change the diet to a light one, eat more vegetables and fruits, drink more water, and develop good bowel habits. Avoid squatting for long periods. Additionally, enemas can be used to help with bowel movements, and anti-inflammatory ointments can be applied locally to the anal fissure area for disinfection. Using warm water for sitz baths can also relieve the pain from constipation and anal fissures. Routine abdominal and anal massages can alleviate symptoms and promote bowel movements.

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Written by Chen Tian Jing
Colorectal Surgery
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What should I do about anal bleeding and anal fissures?

If a fissure is visible to the naked eye at the anal sphincter during a digital rectal examination, it is primarily considered an anal fissure. Anal fissures generally cause severe local pain and bleeding from the fissure. The fissure is primarily due to the local crack being stretched or opened, causing bleeding from small blood vessels, and the blood from the fissure is usually bright red. To treat bleeding from an anal fissure, it is first necessary to soften the stool, as the occurrence of an anal fissure is mainly related to dry stools and difficulty defecating. Once the stool is lubricated, it can reduce the need to exert excessive force during defecation, lowering the possibility of stretching the local fissure. Topical application of hemorrhoid cream at the fissure, or combined with oral medications that cool the blood and stop bleeding, may be used. If there is repeated bleeding from an anal fissure, surgical treatment is also recommended. (Please use medications under the guidance of a professional physician, and do not self-medicate.)