Anal fissure - Symptoms and causes - Mayo Clinic - large anal fissure

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Anal fissure - NHS large anal fissure


An anal fissure is a small tear in the thin, moist tissue (mucosa) that lines the anus. An anal fissure may occur when you pass hard or large.

An anal fissure most often occurs when passing large or hard stools. Chronic constipation or frequent diarrhea can also tear the skin around.

WHAT IS AN ANAL FISSURE? An anal fissure (fissure-in-ano) is a small, oval shaped tear in skin that lines the opening of the anus. Fissures typically cause.

The rectum is the bottom section of your colon (large intestine). An anal fissure ( also called fissure-in-ano) is a small rip or tear in the lining of the anal canal.