How to distinguish between anal fissures and hemorrhoids

Written by Yu Xu Chao
Colorectal Surgery
Updated on December 19, 2024
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To distinguish between anal fissures and hemorrhoids, one can first differentiate based on symptoms. Anal fissures primarily cause pain during defecation and minor bleeding, with the pain typically lasting from 20 minutes to half an hour. Patients often have hard stools or constipation. In contrast, hemorrhoids primarily lead to intermittent painless rectal bleeding. The blood is bright red and usually in greater volume, often appearing in a spraying or dripping pattern after defecation. Some patients may also experience prolapsed hemorrhoids, often accompanied by a sensation of heaviness and foreign body in the anus. Further, through a digital rectal examination, an anal fissure can be identified by a palpable ulcer or crack at the posterior or anterior midline of the anus. Hemorrhoids, being soft venous clusters, can also be differentiated through this examination.

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Written by Zhang Shu Kun
Traditional Chinese Medicine
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What should I do if I have bleeding and anal fissures due to excessive internal heat?

If anal fissures with bleeding occur after excessive internal heat, the acute phase can be treated with warm saltwater sitz baths. If the condition is severe, it is still best to visit a local reputable hospital and receive treatment based on a doctor's diagnosis. Regular attention must be paid to the diet, avoiding spicy, irritating, raw, and cold foods, as well as overly greasy or fried foods, to prevent aggravation of the condition. It is advisable to drink more warm water and eat more fresh fruits and vegetables. Paying attention to rest is crucial, especially avoiding staying up late. Regular physical exercise can also help boost the body's resistance.

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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 Hu Xiang Dang
Colorectal Surgery Department
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Is anal fissure serious?

People often ask whether anal fissures are serious and what the consequences might be if they are not treated. Although treating anal fissures is not particularly difficult clinically, many patients, due to a lack of treatment knowledge and awareness of the condition, often delay treatment, which can cause some harm to their health. If an anal fissure is not treated, in addition to the pain during bowel movements and bleeding that the fissure itself causes, over time, it could also lead to conditions such as anal fistula and hypertrophied anal papillae. At the end of the fissure, a sentinel pile may develop. Due to the repeated irritation by fecal matter in an inflamed fissure, a linear ulcer may form. The skin and subcutaneous tissue around the anus might undergo fibrosis, thickening, or. form a hard lump. If the fissure repeatedly becomes infected, it can lead to the development of an anal sinus, and after infection, it may cause subcutaneous fistulas or abscesses. Of course, if an anal fissure persists over time, due to long-term spasm and fibrosis of the internal sphincter, it can lead to consequences such as anal stenosis.

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Written by Chen Tian Jing
Colorectal Surgery
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What causes anal fissures?

Anal fissure is a series of clinical symptoms such as pain or rectal bleeding that occur due to the formation of a crack in the local sphincter muscle of the anus. The main reason for the occurrence of anal fissures is due to poor defecation habits in the early stages of the patient, or excessively dry stools, and excessive force during defecation, causing the local sphincter to burst, resulting in the fissure opening pain or bleeding. To treat anal fissures, it is first necessary to soften the patient's stools and adjust defecation habits. If the patient's diet is poor, it is recommended to maintain a light, easily digestible diet long-term. For those with dry stools, appropriate oral medications to lubricate the intestines and facilitate bowel movements can be used, or sesame oil can be applied around the anus before each defecation to lubricate the stool. If recurrent episodes of anal fissures occur, surgical treatment can also be directly performed. (Medication use should be under the guidance of a doctor.)

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Written by Yu Xu Chao
Colorectal Surgery
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The differences between stages one, two, and three of anal fissures.

In clinical practice, anal fissures are not categorized into stages one, two, or three; they are primarily classified as either acute or chronic anal fissures. Acute anal fissures, which occur in the early stages of the condition, are characterized by pain during defecation and minor bleeding. For such cases, the pain usually doesn’t last long, and conservative treatment with medication can be chosen. Topical applications such as dragon's pearl ointment or nitroglycerin ointment are generally used. It is also important to keep the anal region dry and clean, perhaps by using anal washes for sitz baths, while ensuring that the stool is soft to maintain smooth bowel movements. Chronic anal fissures, on the other hand, are mainly due to the development of scars on the ulcer surface. This condition involves prolonged pain and may include some narrowing of the anus. In such cases, surgical excision of the fissure may be necessary. Post-surgery treatment may include changing dressings with medications like red oil gauze strips, golden ointment, and anal washes. (Under the guidance of a doctor for medication use)