Threadworm (Antimicrobial)
Treat all household contacts at the same time PLUS advise hygiene measures for 2 weeks (hand hygiene, pants at night, morning shower (include perianal area) PLUS wash sleepwear, bed linen, and dust, vacuum on day one. Child <6 months add perianal wet wiping or washes 3 hourly during day.
Note: mebendazole is unlicensed in children under 2 years of age and is contra-indicated in the first trimester of pregnancy. Manufacturer recommends avoiding throughout pregnancy and breastfeeding.
Drug details
All patients over 6 months (NB off-label if under 2yrs)
Mebendazole 100mg
Single dose, but repeat in 2 weeks if infestation persists
Child under 6 months, in pregnancy or whilst breast-feeding
Mebendazole is unlicensed, use hygiene measures alone for 6 weeks