Disease encyclopedia/Digestive tract
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    Digestive tractVascularICD-10 K64

    Haemorrhoids (piles)

    Also called: Hemorrhoids, Piles

    Swollen vascular cushions in the anal canal. They commonly cause painless bright red bleeding after passing stool and sometimes itching or a lump.

    Condition-specific references are below. Individual claims and this page have not been clinically reviewed. Read about this content.

    Affected: Anal canal, Rectum

    Causes

    • Straining and raised abdominal pressure

    Risk factors

    • Constipation
    • Pregnancy
    • Low-fibre diet
    • Prolonged sitting on the toilet
    • Heavy lifting

    Symptoms

    • Bright red blood on toilet paper or in the pan
    • Itching
    • Lump that may come out and go back
    • Pain if a clot forms (thrombosed haemorrhoid)

    Diagnosis — tests and examinations

    • Examination and proctoscopy
    • Colonoscopy if bleeding is atypical or age over 50

    Treatment

    Medicines and medical treatment

    • Stool softeners and fibre
    • Topical soothing creams for short periods

    Operations and procedures

    • Rubber band ligation
    • Sclerotherapy
    • Haemorrhoidal artery ligation
    • Haemorrhoidectomy for large or recurrent haemorrhoids

    Self-care, home remedies and lifestyle

    • High-fibre diet and plenty of water
    • Do not strain or sit on the toilet for long
    • Warm baths for discomfort

    Possible complications

    • Thrombosis
    • Anaemia from chronic bleeding (rare)

    Prevention

    • Avoid constipation

    Outlook

    Very common and usually easily treated.

    When to see a doctor

    See a doctor for any rectal bleeding to exclude other causes, especially with a change in bowel habit.

    Sources and further reading

    These sources cover this condition. They have not been checked against every statement on this page.

    • Hemorrhoids — MedlinePlus (U.S. National Library of Medicine)

    Related conditions

    Ulcerative colitisColorectal cancerGastro-oesophageal reflux diseasePeptic ulcer diseaseGastritisAppendicitis

    Educational overview, not medical advice. Treatment varies by person and location. Consult a qualified health professional for diagnosis or care. Read our content and model notes and privacy information.

    Affected: Anal canal, Rectum

    See it in 3-D

    Rectum

    Anatomy

    • Rectum

    On this page

    • Causes
    • Risk factors
    • Symptoms
    • Diagnosis — tests and examinations
    • Treatment
    • Complications
    • Prevention
    • Outlook
    • When to see a doctor
    • Sources