Epidemiology/lifecycle

• 300 million infected worldwide

• Not related to economy, children

• Anthroponosis

• Faecal-oral: ingest eggs, larvae hatch in small intestine, lay eggs around perianal region, autoinfection

Clinical features

• Nil

• Perianal itch, restless sleep

• Ectopic e.g. vulvovaginitis, dysuria

Diagnosis

• Find eggs (enterobius), cellophane tape test

Management

• Albendazole, Mebendazole (repeat after 2 weeks)

Prevention

• Hand hygiene

• Treat whole family