Alternative Names
Enterobiasis; Oxyuriasis; Threadworm; Seatworm; Enterobius vermicularis; E vermicularis; Helminthic infection
Definition of Pinworms
Pinworms are small worms that infect the intestines.
Causes, incidence, and risk factors
Pinworms are the most common worm infection in the United States. They are most common in school-age children.
Signs and tests
Pinworms can be spotted in the anal area, especially at night when the worms lay their eggs there.
Treatment
The main treatment is a single dose of either mebendazole or albendazole, which kill the pinworms (not the eggs).These are available over-the-counter and by prescription.
Expectations (prognosis)
Pinworm infection is fully treatable.
Review
Neil K. Kaneshiro, MD, MHA, Clinical Assistant Professor of Pediatrics, University of Washington School of Medicine. Also reviewed by David Zieve, MD, MHA, Medical Director, A.D.A.M., Inc. – 7/26/2010
