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 1 mg/kg,for a 4 weeks therapy how many 50-mg tablates should be dispensed to the patient?


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lb equals 56 kg

    Here weight of patient is 100 kg or 220 lb and
    Daily dose of drug is 1 mg/kg

    Therefore,
    Daily dose
    = `100 \quad kg × 1 \quad (mg)/(kg) = 100 \quad mg `

    weight of the capsule is 50 mg

    patient needs
    = `(100)/(50)`
    = 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.


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