Stephen J. Schueler, M.D.

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Pinworms Underlying Cause

Pinworms are small worms, called Enterobius vermicularis, which are about 1/8 (3 mm) to 1/2 inch (10 mm) long. The worms infect the intestines.

An infected person usually harbors about 50 worms. Pregnant female worms migrate outside of the anus at night, where they deposit about 10,000 eggs on the skin surrounding the anus.

Continue to Pinworms Transmission

Last Updated: Jun 20, 2008 References
Authors: Stephen J. Schueler, MD; John H. Beckett, MD; D. Scott Gettings, MD
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PubMed Pinworms References
  1. Chan OT, Lee EK, Hardman JM, Navin JJ. The cockroach as a host for Trichinella and Enterobius vermicularis: implications for public health. Hawaii Med J. 2004 Mar;63(3):74-7. [15124739]
  2. Dahlstrom JE, Macarthur EB. Enterobius vermicularis: a possible cause of symptoms resembling appendicitis. Aust N Z J Surg. 1994 Oct;64(10):692-4. [7945067]
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