Diltiazem Topical works in anal fissure by blocking the action of calcium on blood vessels of anus. As a result, blood vessels are relaxed which allows fissure (tear) to heal and relieves pain.
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Diltiazem Topical is used in the treatment of anal fissure.
Diltiazem can cause nausea/diarrhea. Always consult your doctor regarding its side effects.