Thrombosed Hemorrhoid Symptoms and Treatment

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Thrombosed hemorrhoids are typically external hemorrhoids that have no blood flow due to a blood clot in the vein. Thrombosed hemorrhoids are not considered to be dangerous, yet they can be quite painful. Symptoms of thrombosed hemorrhoids include:

  • Pain when sitting, walking, or defecating
  • Bleeding when defecating
  • Itching, swelling, or lumps around the anus

Thrombosed hemorrhoids may present as a single pile or a circle of piles. In most cases, the blood clot is eventually reabsorbed by the body and the symptoms resolve themselves.

Symptoms

As most hemorrhoids are painless, a possible marker of a thrombosed hemorrhoid is acute pain and swelling around the anus. In some cases, there may be some bleeding. Topical hemorrhoid medications do not typically result in relief from the pain of a thrombosed hemorrhoid as the pain is the result of pressure and swelling within the tissue, not on the surface.

The pain will be at its worst for the first 24 to 48 hours. After that time, the blood clot will be slowly reabsorbed and the pain will reduce.

Causes

The causes of thrombosed hemorrhoids are not always identifiable. Some possible triggering events include:

  • Childbirth
  • Physical exertion
  • Prolonged sitting
  • Straining on the toilet to pass hard stool

Treatment

Most thrombosed hemorrhoids will resolve on their own, although it may take two to three weeks for them to be completely gone. Self-care measures for a thrombosed hemorrhoid include:

  • Taking sitz baths
  • Keeping your stool soft
  • Avoiding straining during bowel movements

Your doctor can prescribe some topical preparations that can be helpful. Surgery to remove the blood clot is an option for cases in which there is a lot of bleeding and the pain.

Other Names

Thrombosed hemorrhoids are also known as:

  • Acute hemorrhoidal disease
  • Anal hematoma
  • Hemorrhoidal thrombosis
  • Perianal hematoma
  • Perianal thrombosis

Interestingly, some researchers would like to rename thrombosed hemorrhoids as "perianal thrombosis" as the tissue involved may not necessarily be that of a hemorrhoid.

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