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What is an anal fissure?

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An anal fissure is a tear in the delicate tissue that lines your anal canal. These tears usually cause bleeding and severe pain. Once you have an anal fissure, you'll definitely want to avoid getting another one, so follow these simple steps.

SOURCES:

Cleveland Clinic: "Anal Fissures."

UpToDate: "Patient information: Anal fissure (Beyond the Basics)," "Patient information: High-fiber diet (Beyond the Basics)," "Patient information: Constipation in Adults (Beyond the Basics)."  

NHS Choices: "Anal Fissure - Prevention," "Laxatives - Introduction."

American Heart Association: "Whole Grains and Fiber."

Harvard School of Public Health, The Nutrition Source: "Fiber: Start Roughing It!"

National Digestive Disease Information Clearinghouse (NDDIC): "Constipation."

University of Michigan Health System: "Bowel Function Anatomy."

Reviewed by Carol DerSarkissian on October 28, 2018

SOURCES:

Cleveland Clinic: "Anal Fissures."

UpToDate: "Patient information: Anal fissure (Beyond the Basics)," "Patient information: High-fiber diet (Beyond the Basics)," "Patient information: Constipation in Adults (Beyond the Basics)."  

NHS Choices: "Anal Fissure - Prevention," "Laxatives - Introduction."

American Heart Association: "Whole Grains and Fiber."

Harvard School of Public Health, The Nutrition Source: "Fiber: Start Roughing It!"

National Digestive Disease Information Clearinghouse (NDDIC): "Constipation."

University of Michigan Health System: "Bowel Function Anatomy."

Reviewed by Carol DerSarkissian on October 28, 2018

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How does fiber help with anal fissures, and what are foods that contain high amounts of fiber?

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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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