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What are hemorrhoids?

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Hemorrhoids are swollen veins in the lowest part of your rectum and anus. Sometimes, the walls of these blood vessels stretch so thin that the veins bulge and get irritated, especially when you poop. Swollen hemorrhoids are also called piles.

Hemorrhoids are one of the most common causes of rectal bleeding. They're rarely dangerous and usually clear up in a couple of weeks, but you should see your doctor to make sure it's not a more serious condition. He can also remove hemorrhoids that won't go away or are very painful.

From: What Are Hemorrhoids? WebMD Medical Reference

Reviewed by Minesh Khatri on September 18, 2018

Medically Reviewed on 9/18/2018

SOURCES:

FamilyDoctor.org: "Hemorrhoids Overview"; "Hemorrhoids Treatment"; "Hemorrhoids Causes & Risk Factors"; and "Hemorrhoidectomy for Thrombosed External Hemorrhoids."

National Digestive Diseases Information Clearinghouse: "Hemorrhoids."

Sneider, E. , February 2010. Surgical Clinics of North America

Harvard Health Publications: " Hemorrhoids and what to do about them."

Reviewed by Minesh Khatri on September 18, 2018

SOURCES:

FamilyDoctor.org: "Hemorrhoids Overview"; "Hemorrhoids Treatment"; "Hemorrhoids Causes & Risk Factors"; and "Hemorrhoidectomy for Thrombosed External Hemorrhoids."

National Digestive Diseases Information Clearinghouse: "Hemorrhoids."

Sneider, E. , February 2010. Surgical Clinics of North America

Harvard Health Publications: " Hemorrhoids and what to do about them."

Reviewed by Minesh Khatri on September 18, 2018

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What are internal hemorrhoids?

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THIS TOOL DOES NOT PROVIDE MEDICAL ADVICE. It is intended for general informational purposes only and does not address individual circumstances. It is not a substitute for professional medical advice, diagnosis or treatment and should not be relied on to make decisions about your health. Never ignore professional medical advice in seeking treatment because of something you have read on the WebMD Site. If you think you may have a medical emergency, immediately call your doctor or dial 911.

    This tool does not provide medical advice. See additional information.

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