Symptoms of pinworm infection may include:

• Itching of the anal or vaginal area
• Insomnia, irritability and restlessness
• Intermittent abdominal pain and nausea

Some people with pinworms have no symptoms.

When to see a doctor

Consult your doctor if you have mild abdominal pain along with insomnia or irritability, or if you're experiencing consistent or severe anal or vaginal itching.

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Jun. 09, 2012

• Definition
• Causes