The trauma of scratching and moisture increases skin irritation in the anal area. Treatment of the pinworm infection will kill the worms. But the itching and irritation may continue for a few days. It is important to clean and dry the anus thoroughly. Don’t leave any soap in the anal area. Many over-the-counter products are available to treat anal skin irritation. They are available as creams, ointments, gels, and more. It acts as a protective physical barrier on the skin.

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