What is Thrombosed Hemorrhoid and How Is It Treated?

Quick answer: Thrombosed hemorrhoid usually occurs in external hemorrhoids. Thrombosis forms when the blood vessels in external hemorrhoids swell and blood clots accumulate in these vessels. What is a Thrombosed Hemorrhoid? A thrombosed hemorrhoid is a condition that develops as a result of a blood clot forming in the veins around the anus. This condition is usually

Medically reviewed by Op. Dr. Yasir Gözü · General Surgery and Proctology · Last updated: July 20, 2026

Thrombosed hemorrhoid usually occurs in external hemorrhoids. Thrombosis forms when the blood vessels in external hemorrhoids swell and blood clots accumulate in these vessels.

What is a Thrombosed Hemorrhoid?

A thrombosed hemorrhoid is a condition that develops as a result of a blood clot forming in the veins around the anus. This condition is usually seen in external hemorrhoids and is characterized by sudden and severe p The thrombosed hemorrhoid tissue can be seen externally and feels like a hard, purplish lump when touched. The cause of thrombosis is the accumulation and clotting of blood in the veins of the hemorrhoid tissue. This clot blocks blood flow and leads to swelling and p Unlike normal external hemorrhoids, a thrombosed hemorrhoid indicates a more serious condition and may require urgent intervention. This type of hemorrhoid often causes discomfort while sitting or moving.

What Are the Symptoms of a Thrombosed Hemorrhoid?

The most common symptom of a thrombosed hemorrhoid is sudden and severe p The p Additionally, the thrombosed area can be noticed externally, often appearing as a bluish or purple lump. Other common symptoms include itching, burning, and a feeling of fullness in the hemorrhoid area. Bleeding may also occur with thrombosed hemorrhoids, although it is more common in internal hemorrhoids. The presence of a blood clot in external hemorrhoids intensifies the p In some cases, thrombosed hemorrhoids can become infected, complicating the condition further.

What Causes a Thrombosed Hemorrhoid?

Many factors contribute to the formation of a thrombosed hemorrhoid. Prolonged constipation or excessive str Str Sitting for long periods, especially spending too much time on the toilet, can also trigger this condition. Pregnancy is another significant factor that increases the risk of thrombosed hemorrhoids in women. Increased pressure and hormonal changes during pregnancy contribute to the formation of hemorrhoids. Other causes include excess weight, heavy lifting, and genetic predisposition. Factors like slow blood circulation, weakened veins, and aging can also lead to thrombosed hemorrhoids.

How Is a Thrombosed Hemorrhoid Treated?

The treatment of a thrombosed hemorrhoid usually starts with non-surgical methods. Warm sitz baths can help dissolve the clot and relieve p Additionally, creams and ointments prescribed by a specialist doctor can be used to reduce inflammation and p However, if the clot is too large or the p One of the surgical methods used in thrombosed hemorrhoids is clot removal. This procedure, performed under local anesthesia, provides quick relief. If the condition recurs, a more comprehensive hemorrhoid surgery may be required. Specialist doctors determine the most appropriate treatment method based on the patient’s condition.

Frequently Asked Questions

What is a thrombosed hemorrhoid?

A thrombosed hemorrhoid develops when a blood clot forms in the veins around the anus, usually in external hemorrhoids. The clot blocks blood flow, causing swelling, and the tissue feels like a hard, purplish lump when touched.

What are the symptoms of a thrombosed hemorrhoid?

The most common symptom is sudden and severe pain, and the thrombosed area often appears as a bluish or purple lump. Other symptoms include itching, burning, a feeling of fullness, and sometimes bleeding or infection.

What causes a thrombosed hemorrhoid?

Contributing factors include prolonged constipation, excessive straining, sitting for long periods, and spending too much time on the toilet. Pregnancy, excess weight, heavy lifting, genetic predisposition, slow blood circulation, weakened veins, and aging also increase the risk.

How is a thrombosed hemorrhoid treated without surgery?

Treatment usually starts with non-surgical methods such as warm sitz baths, which can help dissolve the clot and relieve discomfort. Creams and ointments prescribed by a specialist doctor can also be used to reduce inflammation.

When does a thrombosed hemorrhoid require surgery?

If the clot is too large or symptoms are severe, surgical clot removal may be needed; this procedure is performed under local anesthesia and provides quick relief. If the condition recurs, a more comprehensive hemorrhoid surgery may be required.

Sources

• NHS - Piles (haemorrhoids)
• NIDDK - Hemorrhoids
• American Society of Colon and Rectal Surgeons (ASCRS) - fascrs.org

This article is for informational purposes only and does not replace a professional medical consultation. For diagnosis and personalized treatment, please book an appointment.