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Haemorrhoids – A Complete Guide

What is Haemorrhoids?

Haemorrhoids (also spelled hemorrhoids) are swollen veins in the lower rectum or anus. They are the same type of vascular tissue that lines the rest of the digestive tract, but when these veins become engorged, inflamed, or prolapsed they create the symptoms commonly associated with haemorrhoids.

There are two main types:

• Internal haemorrhoids: Located inside the rectum, usually painless but may bleed.
• External haemorrhoids: Found under the skin around the anus; they can be painful, especially if a clot (thrombosis) forms.

Most people will experience a haemorrhoid at some point in life; prevalence peaks in adults aged 45‑65. While not usually a serious condition, they can cause considerable discomfort and affect quality of life.

Sources: Mayo Clinic, Hemorrhoids – Symptoms and causes; National Institute of Diabetes and Digestive and Kidney Diseases (NIDDK).

Common Causes

Haemorrhoids develop when pressure builds up in the lower rectal veins. The following factors are most frequently linked with that pressure:

• Chronic constipation or straining during bowel movements
• Prolonged sitting on the toilet
• Pregnancy – increased uterine pressure and hormonal changes
• Obesity – excess abdominal weight pushes on pelvic veins
• Low‑fiber diet – leads to hard stools and the need to strain
• Heavy lifting or intense physical exertion (e.g., weight‑training, moving furniture)
• Anal intercourse – can cause direct trauma to the perianal veins
• Age‑related tissue weakening – connective tissue loses elasticity over time
• Genetic predisposition – family history increases risk
• Certain medical conditions such as portal hypertension or inflammatory bowel disease (IBD)

Associated Symptoms

Symptoms vary depending on whether the haemorrhoid is internal or external, and on the severity of inflammation.

• Bright red blood on toilet paper, in the stool, or in the toilet bowl
• Itching or irritation around the anus
• Swelling or a lump near the anus (often more noticeable with external haemorrhoids)
• Pain or discomfort, especially during or after bowel movements
• A feeling of incomplete evacuation (the sensation that you still need to pass stool)
• Leakage of mucus or stool around the anus
• Thrombosis – a hard, painful lump caused by a blood clot inside an external haemorrhoid

Most of these symptoms are benign, but persistent bleeding or worsening pain should prompt a medical evaluation.

When to See a Doctor

While many haemorrhoids improve with lifestyle changes, you should schedule an appointment if you notice any of the following:

• Bleeding that is heavy, persistent, or accompanied by dizziness or faintness
• Blood that appears darker (suggesting upper gastrointestinal bleeding) rather than the typical bright red
• Pain that does not improve with over‑the‑counter remedies or that worsens over several days
• Presence of a hard, tender lump that does not resolve within a week
• Signs of infection: increasing warmth, swelling, foul odor, or fever
• Changes in bowel habits (e.g., chronic diarrhea, constipation) that do not respond to dietary adjustments
• Any suspicion that the bleeding might be from another cause, such as colorectal cancer, especially if you are over 50 or have a family history

Early evaluation helps rule out more serious conditions and allows for prompt treatment.

Diagnosis

Healthcare providers use a combination of history, visual inspection, and sometimes specialized tools to confirm haemorrhoids and exclude other disorders.

1. Medical history: Discussion of symptoms, diet, bowel habits, pregnancy status, and medication use (e.g., anticoagulants).
2. Physical examination: The doctor may first perform an external visual inspection of the anus and perianal skin.
3. Digital rectal exam (DRE): A gloved, lubricated finger is gently inserted to feel for internal haemorrhoids or other masses.
4. Anoscopy or proctoscopy: A small, illuminated tube is used to view internal haemorrhoids directly. This is usually done in the office and is painless.
5. Stool occult blood test: If bleeding is present, a test can confirm the presence of blood.
6. Colonoscopy or flexible sigmoidoscopy: Recommended for patients over 50, those with alarm symptoms, or when the source of bleeding is unclear.

These steps are generally quick, minimally invasive, and provide the information needed to tailor treatment.

Treatment Options

Home and Lifestyle Measures

• High‑fiber diet: Aim for 25‑35 g of fiber daily (whole grains, fruits, vegetables, legumes). Fiber softens stool and reduces straining.
• Hydration: Drink at least 8 glasses of water a day; adequate fluids help keep stools soft.
• Regular bowel habits: Do not delay the urge to defecate; set a routine, especially after meals.
• Sitz baths: Warm water immersion for 10‑15 minutes several times daily can relieve pain and reduce swelling.
• Topical agents: Over‑the‑counter creams or suppositories containing witch hazel, hydrocortisone, or lidocaine provide temporary relief.
• Avoid prolonged sitting: Stand up and move around every 30‑45 minutes, especially when working at a desk.
• Exercise: Moderate activity (walking, swimming) improves circulation and bowel motility.

Medical Interventions

If symptoms persist after 2‑4 weeks of self‑care, your physician may suggest one of the following:

• Rubber band ligation: A small elastic band is placed at the base of an internal haemorrhoid, cutting off blood flow. The tissue sloughs off within a week. Success rates up to 90 % for grade II‑III haemorrhoids.
• Sclerotherapy: A chemical irritant is injected into the haemorrhoid, causing it to shrink.
• Infrared coagulation (IRC) or laser therapy: Heat coagulates the blood vessels, reducing size.
• Hemorrhoidectomy: Surgical removal of large, prolapsed, or thrombosed haemorrhoids. Usually reserved for grade IV or refractory cases.
• Stapled hemorrhoidopexy (PPH): A stapling device repositions prolapsed tissue and cuts off its blood supply; less postoperative pain than traditional surgery.
• Thrombectomy: An outpatient procedure to remove a clot from an external haemorrhoid, providing rapid pain relief.

Most procedures are performed in an outpatient setting with local or minimal sedation, and patients can usually return home the same day.

Medication

• Stool softeners (e.g., docusate sodium) to ease passage.
• Bulk‑forming agents (e.g., psyllium, methylcellulose) to increase fiber intake without dietary changes.
• Topical steroids (short‑term) for severe itching or inflammation (use under physician guidance).
• Analgesics: Acetaminophen or ibuprofen for pain control.

Prevention Tips

Many haemorrhoids are preventable through simple, sustainable habits:

• Eat a balanced diet rich in fiber (fruits, vegetables, whole grains, nuts).
• Maintain a healthy weight; aim for a BMI < 25 kg/m².
• Stay hydrated—water is the best choice.
• Exercise regularly (≥150 minutes of moderate aerobic activity per week).
• Respond promptly to the urge to defecate; avoid “holding it in”.
• Limit time on the toilet; avoid reading or using electronic devices while seated.
• Use the bathroom posture that aligns the rectum (a small footstool to elevate knees can help).
• Avoid heavy lifting without proper technique; bend at the knees and keep the back straight.
• For pregnant women, discuss constipation management with an obstetrician and consider safe fiber supplements.

Emergency Warning Signs

Key Takeaways

Haemorrhoids are a common, usually benign condition caused by increased pressure in the rectal veins. Lifestyle modifications—especially a high‑fiber diet, adequate hydration, and regular exercise—prevent most cases and often relieve mild symptoms. When self‑care is insufficient, a range of minimally invasive office procedures and, rarely, surgery can provide lasting relief. Prompt evaluation of alarming signs such as heavy bleeding, severe pain, or infection is essential to avoid complications and to rule out more serious disease.

For personalized advice, always consult a qualified health professional. The information above reflects current guidance from reputable sources, including the Mayo Clinic, CDC, NIH, WHO, and Cleveland Clinic.

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