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The recommended dosage of Rifampin for children younger than 1 month of age is 5 mg/kg/dose...

The recommended dosage of Rifampin for children younger than 1 month of age is 5 mg/kg/dose given q12h for 2 days. Rifampin syrup is available in 10 mg/mL. The number of milliliters of the Rifampin syrup for 2 days' dosage for a 3-week-old, 9.9-lb infant is

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T he recommended dosage of Rifampin for children younger than 1 month of age is 5 mg/kg/dose given q12h for 2 days. Rifampin syrup is available in 10 mg/mL. The number of milliliters of the Rifampin syrup for 2 days' dosage for a 3-week-old, 9.9-lb infant is

9.9 lb = 4.49056

Dosage 5 mg x 4.49056

= 22.4528 mg q12H which means every 12 hours

Since there are two 12 hours in a day and four 12 hours in two days, the dosage in mg for two days will be;

4 x 22.4528 mg

= 89.8112 mg

Available in 10 mg/mL

= 89.8112/10

= 8.98112 ml  

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