A 9kg infant is to receive penicillin V 15 mg/kg P.O?

[Monette Z]

How many milligrams of this antibiotic should the nurse administer?

[ladypam]

If this is prescribed your doctor, then at 15mg/kg, the infant should be given 135 mg of penicillin V. This can be divided into several dosages or given in just one, depending on what was prescribed by the doctor. The normal dosage for adults is 250 to 500 mg given four times daily.