A single dose of any of the following, repeated in 2 weeks, is effective in eradicating pinworms (but not ova) in > 90% of cases: Mebendazole 100 mg orally (regardless of age) Pyrantel pamoate 11 mg / kg (maximum dose of 1 g) orally (available over the counter) Albendazole 400 mg orally Carbolated petrolatum (ie, containing carbolic acid) or other antipruritic creams or ointments applied to the perianal region may relieve itching.