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        Digestive Diseases
        Abdominal Adhesions
                Acid Reflux (GER & GERD) in Adults
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                Anatomic Problems of the Lower GI Tract
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                Anorectal Malformations (Imperforate Anus)
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                Pancreatitis
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                Your Digestive System & How it Works
                Zollinger-Ellison SyndromeHemorrhoids

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    Definition & Facts
    Hemorrhoids, also called piles, are swollen and inflamed veins around your anus or in your lower rectum. External hemorrhoids form under the skin around the anus. Internal hemorrhoids form in the lining of the anus and lower rectum.
Diagram of internal and external hemorrhoids

    Symptoms & Causes
    Symptoms of hemorrhoids depend on the type of hemorrhoid. External hemorrhoid symptoms include anal itching. Internal hemorrhoid symptoms include rectal bleeding. Certain toilet habits, constipation, a low-fiber diet, and aging may cause hemorrhoids.


Diagnosis
    Your doctor can often diagnose hemorrhoids based on your medical history and a physical exam. Your doctor will check the area around your anus, perform a digital rectal exam, and may use procedures to look inside your anus and rectum.

    Treatment
    You can treat your hemorrhoids at home by changing your diet and toilet habits. You can use medicines to relieve mild pain, swelling, and itching. Doctors treat hemorrhoids with procedures during an office visit or in an outpatient center or a hospital.


Eating, Diet, & Nutrition
    Eating high-fiber foods can make your stools softer and easier to pass and can help treat and prevent hemorrhoids. Drinking water and other liquids, such as fruit juices and clear soups, can help the fiber in your diet work better.

    Clinical Trials
    The National Institute of Diabetes and Digestive and Kidney Diseases (NIDDK) and other components of the National Institutes of Health (NIH) conduct and support research into many diseases and conditions.

    Related Conditions & Diseases
    Constipation
    Diarrhea


Related Diagnostic Tests
    Colonoscopy
    Flexible  Sigmoidoscopy


Your Digestive System & How it Works
    The digestive system is made up of the  gastrointestinal (GI) tract-also called the digestive tract-and the liver,  pancreas, and the gallbladder. The GI tract is a series of hollow organs joined  in a long, twisting tube from the mouth to the anus.


Related Research
    See more about digestive  diseases research at NIDDK.
        Last Reviewed October 2016

    

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