The dosage of ampicillin that would be given to the newborn who was prescribed ampicillin is = 3,744mg.
Drug calculation is an important procedure during the administration of drugs to patients.
This procedure usually carried out by the health personnel that is taking care of the patient to avoid miscalculation.
The correct dosage of drug is usually calculated from the patient age, weight and duration for taking of the drugs.
The weight of the newborn is = 8 lbs.
Convert 8 lbs to kilogramme = 8/2.205= 3.6kg
The dose prescribed by the NNP = 240mg
But 240 mg is within the range given by hospital formulary recommended dose range.
1 kg = 240mg
3.6 kg = xmg
make xmg the subject of formula,
xmg = 2.6×240/1
xmg= 624mg
This is to be given every 4 hours in a day, which is 24/4 = 6 times daily.
Therefore the dosage of ampicillin that the newborn will take for the day = 624 × 6
= 3,744mg.
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