Can anal dilation treat external hemorrhoids?

Written by Deng Heng

Colorectal Surgery

Updated on April 11, 2025

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Anal dilation cannot treat external hemorrhoids. Anal dilation, also known as anal canal dilation surgery, is a common surgical treatment method in proctology. It primarily involves using external force to increase the diameter of the anal canal in order to achieve the purpose of dilation. It is mainly used for patients with early-stage anal fissures and anal stenosis. External hemorrhoids, which grow below the dentate line of the anal canal skin, are not affected by anal dilation treatments.

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Written by Yu Xu Chao

Colorectal Surgery

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Do external hemorrhoids require surgery?

If external hemorrhoids do not cause any discomfort to the patient, then it is possible to delay surgical treatment in this situation. This is because the treatment of external hemorrhoids is primarily based on their clinical symptoms to choose different treatment methods. If it is simply a case of redundant skin hemorrhoids, where the patient only experiences a slight foreign body sensation in the anus, surgical intervention is not necessary. The patient only needs to maintain smooth bowel movements, perform more anal lifting exercises, avoid prolonged sitting and squatting, and take a warm saltwater sitz bath after defecation to prevent exacerbation of the external hemorrhoids. However, if the external hemorrhoid node develops inflammatory edema or thrombosis, causing anal swelling and pain, and the patient is unable to walk normally, it is then recommended to promptly visit the proctology department of a hospital to undergo external hemorrhoidectomy, to prevent worsening of the inflammatory edema or thrombosis, leading to significant anal swelling and pain.

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Written by Chen Tian Jing

Colorectal Surgery

1min 10sec

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Thrombotic external hemorrhoids clinical characteristics

The clinical features of thrombosed external hemorrhoids primarily include acute episodes of localized swelling and pain in the anal area, with thrombosis forming in the local hemorrhoidal tissue. This condition is primarily due to dry stools and excessive straining during bowel movements, leading to congestion and edema in the local hemorrhoidal tissue and subsequent disruption of local blood circulation, resulting in thrombosis. After an attack, the anal hemorrhoidal tissue may display dark red or purplish clots, enclosed by the local skin and mucous membrane. Treatment options include the application of topical medications and hot compresses to promote absorption of the hemorrhoids, as well as local surgical excision. It is important to note that if rupture or bleeding occurs, considering the possibility of local thrombus rupture, it is essential to perform proper local cleaning and disinfection and to promptly proceed with surgical excision to prevent infection.

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Written by Chen Tian Jing

Colorectal Surgery

1min 5sec

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How are thrombosed external hemorrhoids formed?

The formation of thrombosed external hemorrhoids is mainly related to local congestion pressure in the anal area and excessive filling of submucosal blood vessels, especially after the patient abstains from spicy and irritating food, excessive defecation, and excessive fatigue. This condition becomes more prominent. Once thrombosed external hemorrhoids form, they are generally accompanied by the formation of skin tags and internal hemorrhoids in the anal area, and the external hemorrhoids enclose a blood clot. When the blood clot becomes congested or swollen, the patient will experience significant pain or distension. Once thrombosed external hemorrhoids have formed, it is crucial to treat them early to avoid necrosis caused by prolonged and repeated congestion and edema. Treatment options include using local medications for hot compresses or application to alleviate symptoms, or performing surgery to excise and remove the blood clots.

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Written by Chen Tian Jing

Colorectal Surgery

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Can external hemorrhoids be cured completely?

External hemorrhoids are a common clinical type of hemorrhoids, and the main method for radical treatment is primarily surgical removal. The sole use of topical medications or oral medications can only alleviate the congestion, swelling, and pain caused by external hemorrhoids, but cannot completely remove them. The surgical methods for external hemorrhoids primarily include external hemorrhoidectomy or the combined internal ligation and external excision surgery. If internal hemorrhoids are also removed during the surgery, there will be sutures present, and it is recommended that patients be hospitalized and observed until the sutures fall out before being discharged. This is to avoid complications such as major bleeding from premature suture loss due to early discharge or exertion.

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Written by Chen Tian Jing

Colorectal Surgery

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What medicine is used for thrombotic external hemorrhoids?

Thrombosed external hemorrhoids generally result from the formation of blood clots inside the local external hemorrhoids, causing acute symptoms. During an episode of thrombosed external hemorrhoids, patients experience localized pain or a feeling of constriction, and the formation of dark red or purplish external hemorrhoids can be visibly seen at the anus, which are very painful to the touch. Treatment for thrombosed external hemorrhoids primarily involves topical medications or surgery. If the symptoms are mild, one may choose to apply hemorrhoid cream or use diluted saline solution to compress and reduce swelling. Surgery can also be opted to excise and remove the affected external hemorrhoids. Thrombosed external hemorrhoids generally occur in individuals who strain excessively during defecation or after extreme fatigue. Therefore, if accompanied by dry stools, it is necessary to use stool softeners to help lubricate and ease bowel movements for treatment.