Which is more serious, perianal abscess or hemorrhoids?

Written by Chen Tian Jing
Colorectal Surgery
Updated on March 09, 2025
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Perianal abscesses and hemorrhoids are two different types of anorectal diseases. During the acute phase of a perianal abscess, the urgency of the condition is greater than that of hemorrhoids. If active surgical intervention and incisional drainage and debridement are not carried out for a perianal abscess, it can lead to further enlargement of the pus cavity, increasing the size of the infected wound and the focus of infection, causing more severe pain and symptoms of systemic infection in the patient. Hemorrhoids, on the other hand, can be managed with conservative medication to alleviate symptoms. Surgical treatment is considered only when there are recurrent flare-ups, severe pain, significant prolapse, and worsening bleeding.

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Written by Chen Tian Jing
Colorectal Surgery
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What should not be eaten with a perianal abscess?

During the acute phase of a perianal abscess, it is not advised to consume overly spicy and stimulating foods, drink alcohol, or eat much lamb, seafood, and other aggravating items. This is because a perianal abscess is a local infectious disease around the anus. Therefore, it is necessary to undergo surgery as soon as possible during an outbreak to prevent the spread of the abscess and increase the difficulty of treatment later. The surgical methods mainly include incision and drainage and one-time radical surgery. However, when there is a local fistula or changes in the sphincter, a fistulotomy with seton placement can also be chosen. Post-surgery, it is crucial to pay attention to the local wound drainage and dressing changes, which are very important for wound healing. It is essential to ensure proper drainage and thorough dressing changes to avoid pseudohealing or recurrent infection of the wound.

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Written by Xiao Zhi Guo
Colorectal Surgery Department
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How to treat perianal abscess?

Perianal abscesses generally have two treatment options. Initially, if the abscess is not very large and the swelling and pain are not particularly severe, conservative treatment with antibiotics can be used temporarily. If conservative treatment is ineffective and the swelling worsens, surgical treatment may be necessary. In cases of severe abscesses, incision and drainage can be considered first, followed by antibiotic treatment. Surgical definitive treatment can then be performed 3-5 days later.

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Written by Chen Tian Jing
Colorectal Surgery
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What is the internal opening of a perianal abscess?

The internal opening of a perianal abscess primarily refers to the anal crypt. It forms an infection site due to prolonged, repeated inflammatory infections, generally characterized by distinct pus discharge from the internal opening. Therefore, perianal abscesses tend to form a local internal opening near the anus along with intermittent pus discharge. If the perianal abscess acutely flares up or the pus cavity spreads, it might also rupture, causing pus to exit from an external opening, thereby leading to the formation of a typical anal fistula. During the acute phase of a perianal abscess, if there is local internal opening pain or pus discharge, it is recommended to seek surgical treatment as soon as possible. The primary method of surgery is aimed at radical treatment in one session. The principle involves opening the local pus cavity to allow for the discharge of pus, followed by a thorough debridement and removal of the local infection site. However, it is necessary to preserve the function of the local anal sphincter. If needed, a seton procedure may also be performed.

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Written by Li Jiao Yan
Neonatology
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Causes of perianal abscess formation in babies

In pediatric outpatient surgery, perianal abscesses are not uncommon, and many parents visit the hospital daily for this issue. They wait, register, and change dressings. Once the wound heals, it often recurs after a while, leading to repeated incisions and drainage, persisting for several months. Eventually, the doctors say a fistula has formed and surgery is required. What exactly causes such troublesome perianal abscesses? The cause of perianal abscesses is not completely clear, but many affected children have been found to have deeper anal crypts than normal, so it's speculated that it may be related to this abnormality. In children under two years old, perianal abscesses mostly occur in boys. Some studies suggest that testosterone levels are higher in boys aged 1-3 months, coinciding with a peak period for perianal abscess incidences, leading to speculation that it may be related to the child’s hormone levels. In children over two years old, there is less gender bias in the incidence of perianal abscesses, and some cases are secondary to Crohn’s disease.

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Written by Chen Tian Jing
Colorectal Surgery
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Can an anal abscess be left untreated without surgery?

Surgical treatment is required during the acute phase of a perianal abscess. If surgery is not performed, it could lead to an expansion of the abscess cavity or worsening of the infection. Severe cases may lead to a local cellulitis around the anus, forming an inflammation of the cellular tissue. The surgical approach for a perianal abscess primarily involves incision and drainage, complemented by a one-time radical cure. The surgical principle mainly involves excising the infected local lesions altogether, thoroughly disinfecting and dressing the area, accelerating the shedding of the local infection, and ensuring normal growth of granulation tissue. Postoperative dressing changes are also crucial for the recovery from a perianal abscess.