What is it and how to identify thrombosed hemorrhoids?

Hemorrhoidal disease is the most common proctological pathology and one of the main reasons for medical consultation. 5% of the world population has symptoms associated with it and, after the age of 50, the prevalence is 50%. Thrombosed hemorrhoids are the most serious form of presentation.

Although hemorrhoids are very common starting in adulthood, the thrombosed form requires immediate medical attention. The pain is so severe and stabbing that, in some cases, the patient cannot even sit up. If you want to know about it, keep reading.

What are thrombosed hemorrhoids?

According to the United States National Library of Medicine Hemorrhoids are swollen or swollen veins around the anus or lower part of the right. Based on their location and symptoms, they are differentiated into internal and external.

In general, the external ones cause more discomfort, but in both there is superficial bleeding with the stool.

As indicated by the Proctological Clinic, there are different degrees of hemorrhoids, from mild to thrombosed. Its characteristics are as follows:

  • Grade I: hemorrhoids are completely internal. Varicose dilations located under the mucosa of the rectum grow, but do not exceed it. This is the typical thickening of the veins.
  • Grade II: inflammation progresses and these veins descend outside the anal canal, almost always after bowel movements, resulting in a prolapse that can be seen. Shortly after the defecation effort, the prolapse disappears and the structures return to their place by themselves.
  • Grade III: the prolapse is continuous, that is, the hemorrhoids are visible from the outside at all times, but can be manually pushed inwards.
  • Grade IV: due to poor circulation in the prolapsed vein a clot occurs. This picture is the one that corresponds to the thrombosed hemorrhoids and the prolapse cannot be pushed inwards even manually.

Thus, a thrombosed hemorrhoid is one in which a blood clot has formed that prevents proper flow in the affected area. Faced with this medical condition, the only option is to seek professional help quickly.

The formation of clots within the hemorrhoid is the most serious clinical form, since the circulation is interrupted.

To know more: Diet you should follow if you suffer from hemorrhoids

Main symptoms

According to the Colorectal Surgery portal, when hemorrhoids thrombus the patient suffers severe pain, continuous, stabbing and hurtful. This discomfort is no longer related to defecation and the person who suffers from it cannot even sit up.

Before reaching this point, it is possible to detect the disease based on other clinical signs, depending on whether it is internal or external hemorrhoids. Some of them are the following:

  • Itching or irritation in the anal area (when there are external hemorrhoids).
  • Pain or annoyance.
  • Swelling around the anus (on the outside, too).
  • Bleeding: bright red, as if it were a newly opened wound. Unlike ulcers and other events that occur in the upper gastric tract, which cause the defecation of blackish stools, because the blood has been partially digested.

Before suffering a hemorrhoidal thrombosis, it is advisable to see a doctor for any of these symptoms. Rectal bleeding may be due to hemorrhoids or worse.

What Causes Thrombosed Hemorrhoids?

According to sources already cited, hemorrhoids occur when there is too much pressure on the veins around the anus. The Mayo Clinic indicates that some of the causes are straining to evacuate the intestines, sitting for long periods on the toilet, being obese and having a diet low in fiber.

On the other hand, Relatively frequent events, such as hypertension or spending too much time sitting in the workplace, can be triggers. Hemorrhoids do not arise from a single specific cause; in most cases they are due to a set of simultaneous events.

Fat intake, sedentary lifestyle and obesity greatly favor the appearance of hemorrhoids.

How are thrombosed hemorrhoids diagnosed?

As indicated Health Library, the professional proctologist will examine the patient's anus and rectum using a proctoscope. This device is a short metal tube (15 centimeters) that is lubricated and inserted into the rectum. Thanks to it, mild, thrombosed hemorrhoids and anal polyps can be detected.

So that the patient does not feel uncomfortable Local anesthesia can be placed over the area to be analyzed. Sometimes this is not necessary, since a digital examination (inserting a finger into the anus) is sufficient in many cases.

Available treatments

The approach can be surgical and non-surgical. We review each of the possible options in the following lines.

Non surgical

As indicated by the aforementioned portals, milder cases require a conservative approach. If the clot has formed more than 72 hours ago, self-care is prescribed by the patient in his own home:

  • Use of anti-inflammatory creams and suppositories to alleviate the pain.
  • Baths with lukewarm water for 10 to 15 minutes, 4-5 times a day, to avoid the most acute episodes.
  • Consumption of painkillers to alleviate the pain.
  • Diet modification, especially in those obese patients or pregnant people.


The surgical approach is divided into 2: thrombectomy and hemorrhoidectomy. The first of the procedures consists of perform external hemorrhoid thrombus drainage. This is achieved through an incision under local anesthesia, on an outpatient basis. The chances of relapse are high.

In hemorrhoidectomy, hemorrhoids are removed. It can be done on an outpatient basis or require hospital admission, always under local anesthesia and with medical assistance. It is the most indicated and appropriate treatment in most cases, as it effectively ends the problem.

Removal of hemorrhoids is the surgical procedure of choice in the case of thrombi.


In many cases, preventing hemorrhoids is unworkable. The human being is quite sedentary nowadays, since many jobs are based on carrying out prolonged activities (more than 7 hours) in the same position in front of a computer.

In any case, you can follow certain tips to avoid a thrombosed hemorrhoid or, failing that, its appearance. Some of them are the following:

  • Eat foods rich in fiber and take dietary supplements, always indicated by a medical or nutritional professional. The fiber content in the diet should amount to 30 grams per day.
  • Drink plenty of fluids. This can soften the stool and therefore reduce the effort of defecation.
  • Exercise and avoid sedentary lifestyle. A healthy lifestyle not only prevents thrombosed hemorrhoids, but also prevents high blood pressure and diabetes.

You may be interested in: The difficulty of obesity in pregnancy

Pay attention to blood in your stool

Thrombosed hemorrhoids are a rare complication, since this clinical picture remains in a mild and bothersome form most of the time. The pathological event underlines that, in the face of any symptoms, it is best to see a doctor promptly.

If you have reddish blood with your stools or your efforts to defecate are too evident, we recommend that you go to a nutritionist. Only then can you avoid a clinical complication.

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