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 70 kg and the daily dose is 2 mg/kg,for a 20 weeks therapy how many 140-mg tablates should be dispensed to the patient?


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lb equals 140 kg

    Here weight of patient is 70 kg or 154 lb and
    Daily dose of drug is 2 mg/kg

    Therefore,
    Daily dose
    = `70 \quad kg × 2 \quad (mg)/(kg) = 140 \quad mg `

    weight of the capsule is 140 mg

    patient needs
    = `(140)/(140)`
    = 1 capsules/day

    for 20 weeks of therapy patient needs
    ` (1 \quad c a p s u l e s )/(day)× (7\quad day)/(week) × 20 \quad weeks `
    = 140 capsules Ans.