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Pinworm infection is an infection of the large intestine and anal area by a small, white parasite that resembles a "worm." The medical name for the parasite is Enterobius vermicularis, but it is commonly termed a pinworm in both the lay and medical literature. These parasites are also termed seatworms or threadworms, and the infections is medically termed enterobiasis or helminthiasis. Pinworms and other parasitic worms (as a group are termed helminths) feed off of the host animal by adsorbing nutrients from the host animal. Pinworm infections are the most common helminth infection that occurs in the US. The US Centers for Disease Control and Prevention (CDC) estimates about 40 million people are infected with pinworms currently in the US.
Pinworm is the most common worm infection in the United States, and the majority of pinworm infections worldwide occ...
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Medical Editor: John P. Cunha, DO, FACOEP
Vermox (mebendazole) is used to treat infections caused by worms such as whipworm, pinworm, roundworm, and hookworm. It is also used to treat infections caused by more than one of these worms at the same time. It is an "antihelmintic," or anti-worm, medication. The brand name Vermox is no longer available in the U.S. Generic versions may still be available. Common side effects include stomach/abdominal pain, vomiting, diarrhea, headache, dizziness, or drowsiness.
The dose of mebendazole for children and adults to treat whipworm, roundworm, and hookworm is 1 tablet taken morning and evening for 3 consecutive days. The dose to treat pinworm is 1 tablet, taken just once. Mebendazole may interact with seizure medications. Tell your doctor all medications you use. During pregnancy, mebendazole should be used only when prescribed. It is unknown if this drug passes into breast milk. Consult your doctor before breast-feeding.
Our Vermox (mebendazole) Drug Center provides a comprehensive view of available drug information as well as related drugs, user reviews, supplements, and diseases and conditions articles.
What is Prescribing information?
The FDA package insert formatted in easy-to-find categories for health professionals and clinicians.
VERMOX® (mebendazole) is indicated for the treatment of Enterobius vermicularis (pinworm), Trichuris trichiura (whipworm), Ascaris lumbricoides (common roundworm), Ancylostoma duodenale (common hookworm), Necator americanus (American hookworm) in single or mixed infections.
Efficacy varies as a function of such factors as pre-existing diarrhea and gastrointestinal transit time, degree of infection, and helminth strains. Efficacy rates derived from various studies are shown in the table below: