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A. Pinworms do not usually cause any symptoms beyond minor itching around the anus. Many people with pinworm infections have no symptoms and may never be aware of the infection. The infection can go away without treatment. The most common symptoms of pinworm infection in children include: 1  Itching around the anus.2  For most children this symptom is mild. 3  Only in rare cases do children have very severe itching. 4  Restless sleep (itching is often worse at night).he infection can go away without treatment. The most common symptoms of pinworm infection in children include: 1  Itching around the anus. 2  For most children this symptom is mild. 3  Only in rare cases do children have very severe itching.
Some individuals with pinworm infections may not experience any symptoms. However, you may suspect that you or your child has a pinworm infection if you notice: 1  frequent and strong itching of the anal area. 2  restless sleep due to the itching and discomfort. 3  pain, rash, or other skin irritation around the anus.ow Pinworm Infections Spread. Pinworms infections are highly contagious. You become infected with pinworms by unintentionally ingesting pinworm eggs, which have been deposited onto a surface by an infected person. The cycle of infection begins with the ingestion of these microscopic eggs.