Drug content per day

10. Dose - general concepts 10.1) Oral liquid 10.1.1) Oral liquid

10.1.1.1) Oral liquid Normal 1


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A patient is taking an oral solution 1 tsp QID for 4 days. The pharmacy provided 80 mL of a solution containing a total of 6.336 g of drug content. Calculate the mg quantity of drug administered per day.


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lb equals 1584 mg kg

    The volume of the total content is 80 mL, which contains 6.336 g of the drug, or 6336 mg of the drug.
    Volume contained in each dose (1 tsp) = 5 mL.
    Number of dose per day (QID) = 4
    Therefore, volume of solution administered per day = 5 × 4 mL = 20 mL.
    Therefore, we can write:
    `(80\quad mL)/(6336\quad mg) = (20\quad mL)/x therefore x = 1584\quad mg` Ans.


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