Anal Fissure: Causes, Symptoms, and Treatment

An anal fissure is a/are a/can be a small, painful tear/split/crack in the lining of the anus. It often/sometimes/frequently occurs/happens/develops when/because/during hard/difficult/tough bowel movements that stretch/strain/pull the anal/perianal/rectal tissue. Other/Several/Additional factors that can contribute to/may cause/might lead to anal

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