Ascariasis
Adult: As hydrate: 4.5 g as a single dose repeated once after 14 days. Alternatively, may be given as a preparation with senna in a single dose of 4 g of the phosphate, repeat dose mthly for up to 3 mth if needed; same dosage regimen may also be used to prevent ascariasis.
Child: As a single dose, repeated once after 14 days. <1 yr: 120 mg/kg (only upon medical advice), 1-3 yr: 1.5 g, 4-5 yr: 2.25 g, 6-8 yr: 3 g, 9-12 yr: 3.75 g. Alternatively, may be given as a preparation with senna in a single dose of 4 g of the phosphate, repeat dose mthly for up to 3 mth if needed; same dosage regimen may also be used to prevent ascariasis.
Child: As a single dose, repeated once after 14 days. <1 yr: 120 mg/kg (only upon medical advice), 1-3 yr: 1.5 g, 4-5 yr: 2.25 g, 6-8 yr: 3 g, 9-12 yr: 3.75 g. Alternatively, may be given as a preparation with senna in a single dose of 4 g of the phosphate, repeat dose mthly for up to 3 mth if needed; same dosage regimen may also be used to prevent ascariasis.
Oral
Enterobiasis
Adult: As hydrate: 2.25 g once daily for 7 days, 2nd course may be repeated after an interval of 7 days. Alternatively, may be given as a preparation with senna in a single dose of 4 g of the phosphate, repeat dose after 14 days.
Child: <1 yr: 45-75 mg/kg (only upon medical advice), 1-3 yr: 750 mg, 4-6 yr: 1.125 g, 7-12 yr: 1.5 g, >12 yr: same as adult dose. To be taken once daily for 7 days, 2nd course may be repeated after an interval of 7 days. Alternatively, for children >6 yr: May be given as a preparation with senna in a single dose of 4 g of the phosphate; repeat dose after 14 days.
Child: <1 yr: 45-75 mg/kg (only upon medical advice), 1-3 yr: 750 mg, 4-6 yr: 1.125 g, 7-12 yr: 1.5 g, >12 yr: same as adult dose. To be taken once daily for 7 days, 2nd course may be repeated after an interval of 7 days. Alternatively, for children >6 yr: May be given as a preparation with senna in a single dose of 4 g of the phosphate; repeat dose after 14 days.