How long does it take to recover after surgery for an anal fistula?

Written by Chen Tian Jing

Colorectal Surgery

Updated on October 24, 2024

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Healing after surgery for an anal fistula requires some time, and the longer healing duration is mainly related to two factors:

The first reason is that anal fistula is a localized infectious disease of the anus with the presence of a fistula. The principle of surgery is primarily to remove the fistula. Therefore, after the surgery, the wound surface from the removed fistula wall is relatively large and requires time to heal.

The second reason is that the local area around the anus is a contaminated wound, with feces passing through daily. Feces are a significant source of contamination, so the wound healing is influenced by the irritation from feces, resulting in a non-sterile wound environment. Consequently, the wound healing rate after the surgery is slower compared to the healing rate of sterile wounds in other body tissues. Therefore, the recovery time after anal fistula surgery is approximately 3 to 4 weeks.

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Written by Yu Xu Chao

Colorectal Surgery

1min 11sec

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How to reduce swelling when an anal fistula flares up?

An anal fistula flare-up can cause perianal swelling, pain, and discharge of pus and blood. For an anal fistula flare-up, initial conservative treatment with medications is an option, such as sitting baths using anal cleansing agents or potassium permanganate solutions after defecation. The sitting bath should last between five to ten minutes to help reduce swelling and relieve pain. After the bath, topical application of mupirocin ointment or other anti-inflammatory ointments like Golden Ointment may also be used to reduce swelling and inflammation. For severe infections, intravenous or oral antibiotics may be prescribed to reduce inflammation. However, clinically, it is recommended to opt for surgical removal of the anal fistula as early as possible. Early removal of the internal opening and the fistula tract is necessary for a complete cure of the anal fistula. If an anal fistula repeatedly flares up, it can easily lead to the formation of more fistula branches, forming complex anal fistulas, increasing the difficulty of later surgeries and enlarging the wound surface post-operation.

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Written by Chen Tian Jing

Colorectal Surgery

1min

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What to do about the false healing of anal fistula?

If a false healing of the wound occurs after local surgical excision of an anal fistula, it is mainly due to improper dressing changes by the patient and a lack of timely observation of the local wound. It is recommended to open the superficially healed wound to allow it to regrow. In particular, the patient needs to change the dressing and observe the wound daily to prevent the situation where the internal part of the wound has not healed, but the external opening appears healed. During dressing changes, hemorrhoid creams and other drugs that promote mucosal healing can also be applied locally and inside the anal canal to further promote the healing of the internal opening. Only when the internal opening has fully grown should treatment that promotes healing of the external opening be applied. (Please use medication under the guidance of a professional physician, and do not self-medicate.)

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Written by Chen Tian Jing

Colorectal Surgery

1min 1sec

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Should surgery be performed if there are no symptoms of anal fistula?

If an anal fistula is in its acute phase, the main clinical symptoms are intermittent discharge of pus from the external opening, or pain and itching. If there are no symptoms, and only the external and internal openings along with the fistula tract exist, surgery is still required because the absence of symptoms temporarily does not guarantee that an acute episode will not occur later. During an acute episode, there will be local tissue and skin inflammation, redness, heat, and severe pain. If an anal fistula is not surgically treated for a long time, it may lead to an increase in the number of branches of the fistula or thickening of the fistula wall, and it may even spread to the pelvic cavity. Therefore, once an anal fistula is discovered, it is necessary to perform surgery as soon as possible. Early treatment has significant benefits for wound recovery and the difficulty of the operation.

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Written by Chen Tian Jing

Colorectal Surgery

1min 7sec

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How to deal with a ruptured anal fistula?

The clinical symptoms of anal fistula mainly include intermittent discharge of pus from the external opening near the anus, or occasional acute attacks that cause redness, swelling, heat, and pain around the external opening of the anus. If the external opening of the anal fistula breaks and discharges pus, or is accompanied by pain, it is considered an acute phase of the anal fistula. The primary method of management and treatment is surgery, with the main surgical approach being fistulotomy and seton placement. To locally alleviate the inflammatory symptoms of the external opening of the anal fistula, anti-inflammatory ointments can be applied for temporary anti-inflammatory treatment. However, to avoid the local complications such as thickening or branching of the fistula, it is advised that patients undergo surgical treatment of the anal fistula as soon as possible. (Please use medication under the guidance of a professional physician, and do not self-medicate.)

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Written by Chen Tian Jing

Colorectal Surgery

49sec

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Does an anal fistula hurt?

Anal fistula mainly refers to the presence of a noticeable fistula in the tissue under the perianal skin, which connects the inner opening in the anal canal and the outer opening around the anus. Usually, the anal fistula does not cause significant pain when it is not in acute flare-up. However, if the anal fistula enters an acute episode, there may be pain due to inflammation at the local external opening of the anus, and possibly an increase in purulent discharge, which can irritate the skin around the external opening, causing stinging pain and itching. To prevent recurrent episodes of anal fistula and further aggravation of the condition, it is advised to seek surgery as soon as the fistula is detected.