Anal Fissures: A Real Pain - Nitropaste for anal fissure
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Nitroglycerin ointment is used to treat moderate to severe pain caused by long-term tears in the lining of the anus (anal fissures). This medication works by. An anal fissure is a tear in the lining of the anus, the opening where feces are excreted. The tear typically extends into a circular ring of muscle.