Pinworm (enterobiasis)

Extract

• The causative agent Enterobius vermicularis (pinworm, threadworm), is a less than 13 mm long, just under 1 mm wide white nematode worm that lives in the colon. It is exclusively a human parasite and transmits directly from human to human.
• The infestation is obtained by ingestion of mature eggs. The female worms come out from the colon through the anus, often during sleep, to lay eggs onto the perianal skin.
• The eggs remain viable for weeks e.g. in the bedclothes.
• The time from infestation to symptoms is approximately 1–2 months.
• The infections are mostly found in children at the age of 3 to 10, but they are not rare in older children or even in adults.

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Search terms

Anal Canal, B80, Child, Enterobiasis, Gastroenterology, Infectious diseases, Internal medicine, Mebendazole, Oxyuriasis