Dosing by body weight for a hypothetical drug
6. Patient-based Dose 6.2) Body Weight 6.2.1) Body weight General
6.2.1.1) Drug dose based on body weight Easy 1
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If weight of a patient is 100 kg and the daily dose is 2 mg/kg,for a 4 weeks therapy how many 100-mg tablates should be dispensed to the patient?
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lb equals 56 kg
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Here weight of patient is 100 kg or 220 lb and
Daily dose of drug is 2 mg/kg
Therefore,
Daily dose
= `100 \quad kg × 2 \quad (mg)/(kg) = 200 \quad mg `
weight of the capsule is 100 mg
patient needs
= `(200)/(100)`
= 2 capsules/day
for 4 weeks of therapy patient needs
` (2 \quad c a p s u l e s )/(day)× (7\quad day)/(week) × 4 \quad weeks `
= 56 capsules Ans.