Drug content in the container

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 TID. If the patient is taking 446.5 mg of the drug in each dose, and if the bottle supplies the drug for 4 days, then calculate the amount of drug (in gram unit) contained in the bottle.


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lb equals 5.358 g kg

    Volume of each dose (1 tsp) = 5 mL.
    Number of dose per day (TID) = 3
    Numder of days the bottle is supplied for (4 days) = 4
    Therefore, volume of the medication in the bottle = 5 × 3 × 4 mL = 60 mL.
    Given that, there is 446.5 mg drug contained in each dose (1 tsp). Therefore, we can write:

    `(446.5\quad mg)/(5\quad mL)=x/(60 \quad mL)`
    `therefore x = 5358 \quad mg = 5.358\quad g` Ans.


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