Worm infections (Pin worms, thread worms)

What is  Pinworm infection?

Pin worm infection is the most common type of intestinal worm infection. Pinworms are thin and white, measuring about 1/4 to 1/2 inch (about 5 to 13 millimeters) in length. Pinworm infection occurs most often in school-age children.


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

Some people with pinworms have no symptoms.