Can internal hemorrhoids with prolapsed thrombus shrink?

Written by Yu Xu Chao
Colorectal Surgery
Updated on May 03, 2025
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If internal hemorrhoids prolapse and form thrombosis, it indicates poor local blood circulation in the internal hemorrhoids and damage to the hemorrhoidal veins, leading to thrombosis. Such thrombosis will not shrink and will cause a significant foreign body sensation in the anus and anal distension pain. For cases where internal hemorrhoids prolapse and form thrombosis, it is crucial to go to the hospital's colorectal surgery department for timely surgical treatment. Surgical options include internal hemorrhoidal banding, internal hemorrhoidectomy, or TST. Postoperatively, patients should use anal cleansers and medications like golden ointment and red oil ointment gauze for dressing changes to promote wound healing. Furthermore, patients should be cautious with their diet, avoiding spicy, stimulating, and dry foods to prevent irritation to the wound, which could lead to infection, inflammation, or swelling, and thus significant pain. Additionally, patients should maintain hygiene around the anal area and wear loose, breathable cotton underwear.

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Written by Deng Heng
Colorectal Surgery
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What should I do if internal hemorrhoids are bleeding?

The main symptoms of internal hemorrhoids are bleeding and protrusion, where the hemorrhoidal tissue prolapses outside the anus. There are several types of bleeding: the first is dripping blood during defecation, where blood drops steadily. Another type is spraying blood, similar to the way a syringe ejects fluid; these are all categorized under rectal bleeding. For internal hemorrhoids, the presence of either bleeding or prolapse outside the anus indicates a need for surgical treatment. This means that if internal hemorrhoids cause spraying blood, surgical treatment is required (i.e., removing the hemorrhoidal tissue), which can improve the bleeding and spraying issues.

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Written by Yu Xu Chao
Colorectal Surgery
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Does pressing on an internal hemorrhoid cause pain?

If internal hemorrhoids prolapse and become incarcerated or a thrombus forms locally, pressing on the area will cause pain, especially when the patient is walking or sitting, making the pain more apparent. For such cases, which are considered a severe stage of internal hemorrhoids, it's advisable to undertake surgical treatment as soon as possible. Clinically, treatment options for internal hemorrhoids include procedures like rubber band ligation, PPH (Procedure for Prolapse and Hemorrhoids), or TST (Transanal Hemorrhoidal Dearterialization), with continued dressing changes required post-surgery. However, if the prolapsed internal hemorrhoids can retract spontaneously or can be manually reduced, pressing on them generally does not cause pain because internal hemorrhoids are located above the dentate line in the anal canal, an area innervated by autonomic nerves, which are less sensitive to pain. In the absence of inflammation or thrombosis, pressing on the area will not typically cause pain. In such cases, patients should develop good bowel habits to prevent the further worsening of internal hemorrhoids.

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Written by Yu Xu Chao
Colorectal Surgery
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Can internal hemorrhoids be treated by prolapse and bloodletting?

Bleeding should not be used for prolapsed internal hemorrhoids, as this condition is primarily caused by improper defecation habits leading to pathological enlargement and descent of the anal cushion, which results in the prolapse of internal hemorrhoids. In the early stage, prolapsed internal hemorrhoids can retract back into the anus after defecation, and under such circumstances, it is only required for the patient to develop good bowel habits. For example, avoid spending too much time on defecation, don't exert excessive force, perform sphincter exercises after defecation, and maintain smooth bowel movements. Attention should also be paid to perianal hygiene; it is advised to wash the area with warm saline water after defecation to avoid worsening the prolapse or causing incarcerated edema. However, for cases where incarcerated edema occurs, it is generally recommended to consider prompt surgical intervention, such as hemorrhoidal ligation, PPH (Procedure for Prolapse and Hemorrhoids), or TST (Transanal Stapling Technique). The use of bleeding as a treatment does not have significant therapeutic effects for prolapsed internal hemorrhoids, and thus is not recommended in clinical practice. Furthermore, patients should pay attention to a light diet and avoid spicy, stimulating, and dry-hot foods as much as possible.

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Written by Deng Heng
Colorectal Surgery
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Is a severe internal hemorrhoid prolapse?

Internal hemorrhoids mainly refer to soft venous masses that occur above the dentate line, formed by congestion, dilation, and varicosity of the superior rectal venous plexus. The primary symptoms are rectal bleeding and prolapse of the lump outside the anus. Prolapse of internal hemorrhoids is one of the indications for surgery, meaning that if there is rectal bleeding or prolapse outside the anus at the dentate line, surgical treatment is required. Thus, internal hemorrhoids are considered severe if there is a prolapse, necessitating surgical treatment.

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Written by Chen Tian Jing
Colorectal Surgery
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How to treat internal hemorrhoids?

Hemorrhoids are divided into internal, external, and mixed types. The clinical symptoms of internal hemorrhoids mainly include local pain, prolapse, and rectal bleeding due to rupture. If there are recurrent episodes or associated inflammation, there may also be an increase in secretions, which can irritate the local skin around the anus and cause itching. Therefore, the primary treatment for internal hemorrhoids involves the use of suppository hemorrhoid plugs. If there is accompanying bleeding, it is also necessary to combine this with oral hemostatic medications. In cases of perianal itching, options such as sichuan pepper water or other insecticidal and anti-itch traditional Chinese medicine washes can be used for fumigation and hot compresses on the affected area.