The reason why you have anal pain during defecation?

This is an automatically translated article.

The article was professionally consulted with Specialist Doctor I Le Nguyen Hong Tram - Gastroenterologist - Department of Medical Examination & Internal Medicine - Vinmec Nha Trang International General Hospital.
Anal pain is a common symptom that can occur before, during, and after a bowel movement. This condition affects the patient's psychology and daily activities. So what is the cause of anal pain during defecation?

1. When does anal burning pain occur when defecating?

During heavy defecation, anal pain: it may be caused by cracking or tearing of the mucosa in the anus. After defecation, there is anal pain when wiping: usually related to skin disease in the area around the anus or due to a fungal infection. Persistent anal pain unrelated to defecation: suspected abscess, infection, para-anal fistula, thrombosis in hemorrhoids or tumor in the rectum.

2. Causes of anal pain when defecating are not due to disease

Painful anal bowel movements are not a symptom of disease. In fact, there are many physiological causes or living habits that lead to severe anal pain when going to the toilet:

2.1. Heavy going to the toilet has anal pain due to eating a lot of hot spicy food

A diet rich in hot and spicy foods can cause problems in the digestive system and especially the anus. In fact, hot spicy foods often do not completely decompose during digestion but still exist when excreted through the anus. Meanwhile, the anus is a very sensitive part, unable to withstand strong stimulation, leading to discomfort and painful defecation.

2.2. Heavy going to the toilet has anal pain due to the habit of holding the toilet for too long

The habit of being lazy to go to the toilet causes stool to stay in the rectum for too long, causing dehydration, leading to constipation. Every time you go to the bathroom, you will have many difficulties or go to the toilet with anal pain.
In addition, if you do not keep clean hygiene in the anal area, it can lead to itching, discomfort, creating conditions for bacteria to reside, attack, causing severe anal pain when going to the toilet. heavier.

2.3. Anal sex causes pain during defecation

Unsafe sex, especially anal sex, is the leading cause of anal fissures and painful bowel movements. Besides, rough sex also hurts this area, increasing the risk of sexually transmitted diseases, so it is best to limit this bad habit.

Đi cầu đau hậu môn do ăn nhiều thức ăn cay nóng
Đi cầu đau hậu môn do ăn nhiều thức ăn cay nóng

3. Heavy going to the toilet has anal pain due to medical causes

After defecation, anal pain can be caused by a number of diseases:

3.1. Skin diseases in the anal area

Dermatological diseases can affect many different locations on the body (such as psoriasis, acne), even the skin in the anal area, causing anal itching, bleeding, and pain. In some cases of skin disease, it is necessary to take a biopsy of the diseased skin for early diagnosis and treatment.

3.2. External hemorrhoids occluded, leading to painful defecation

Hemorrhoids are a very common disease, 50% of our country's population is at risk of hemorrhoids, causing the veins in the anus to swell and stretch too much. Hemorrhoids are divided into 2 types:
Internal hemorrhoids usually do not cause pain during defecation but can cause internal bleeding External hemorrhoids cause anal burning pain and itching when defecating. The cause of this severe anal pain when going to the toilet is because there is a blood clot in the hemorrhoid located at the edge of the anus, when this clot is large, it will cause pain every time the patient stands up, sits down or sits down. walking and bleeding very easily.
Hemorrhoids are most common in pregnant and postpartum women, who have a low-fiber diet, or who have jobs that require sitting for long periods of time in one position. Hemorrhoids are not life-threatening but cause a lot of trouble for patients, especially severe anal pain when going to the toilet.

3.3. Abscesses and fistulas lead to severe anal pain when going to the toilet

Abscesses and fistulas of the anus (eel veins) are the cause of severe anal pain when defecating. An abscess is a pus-filled reservoir near the anus or rectum, an anal fistula is a passageway that leads to an infected sebaceous gland outside the skin near the anus. Anal fistula has common symptoms such as anal burning pain, hot swelling, discharge with an unpleasant odor. When surgical drainage of the abscess inside the anus is required for treatment, this surgery is generally quite easy and quick to perform.

3.4. After defecation, I have anal pain due to anal fissure

The anal canal is the last part of the digestive tract, an anal fissure is a tear or small scratch in the anal area, often confused with other conditions such as hemorrhoids.
Anal fissures can be caused by prolonged constipation, trauma, anal sex, vaginal birth... causing the patient to feel pain and discomfort after each bowel movement, especially Usually bright red blood accompanies the stool or appears on the toilet paper.
Most anal fissures resolve on their own after 2-3 weeks, but if anal fissures recur continuously with longer duration of pain, then treatment is required. Anal fissures can be improved by changing to a high-fiber diet, using laxatives, soaking the anus in warm water several times a day, or possibly using surgery to help the sphincter relax. ease, relieve spasm pain, help anal fissures heal faster.

3.5. Fungal infections or sexually transmitted diseases

Patients with fungal infections or sexually transmitted diseases (gonorrhea, chlamydia, herpes, syphilis, HPV, etc.) does not occur during defecation and is always accompanied by discharge, bleeding, or anal itching.

Đi cầu đau hậu môn có thể do bệnh lý về da ở khu vực hậu môn
Đi cầu đau hậu môn có thể do bệnh lý về da ở khu vực hậu môn

3.6. Pain from anal cancer

Most cases of anal burning pain after defecation are not related to cancer, however, if this continues for a long time, there is a risk of formation of tumors that can cause bleeding, abnormal masses that cause bleeding. Changing bowel habits and increasing pain. Symptoms suggestive of post-temperal cancer such as: bloody stools, burning pain, sudden weight loss, fatigue, the body cannot absorb nutrients from food...
If bleeding and If the pain in the anus does not improve or the pain is getting worse, the patient should see a doctor immediately for an examination and a biopsy of the abnormal tumor if present.

3.7. Anal pain due to prolonged diarrhea

Prolonged diarrhea is also a cause of pain after defecation. Diarrhea is the number of bowel movements a day that exceeds the usual number of times, possibly from 5 to 10 times a day, causing damage to the anal mucosa, causing burning pain each time you defecate.

4. What can you do to relieve anal pain?

Anal pain can be improved or treated thoroughly when you "lay down" the following notes:
Drink lots of water: about 2-3 liters of water/day; Eat a lot of fiber: green vegetables, tubers, fruits, drink juices, smoothies... Avoid making the injury in the anus worse: Do not use soap or cleaning solutions, do not use paper Sanitize, do not scratch directly ..., just wash with clean water or soak the anus in a bowl of warm water with a little salt mixed for 10 minutes/time, 2-3 times a day. Heavy bowel movements with anal pain will cause certain negative effects on the health and quality of life of the patient. Therefore, you should not subjectively take it lightly. Instead, there should be preventive measures and treatment when symptoms appear.

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