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 tbsp QD for 5 days. The pharmacy provided 75 mL of a solution containing a total of 0.585 g of drug content. Calculate the mg quantity of drug administered per day.
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lb equals 117 mg kg
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The volume of the total content is 75 mL, which contains 0.585 g of the drug, or 585 mg of the drug.
Volume contained in each dose (1 tbsp) = 15 mL.
Number of dose per day (QD) = 1
Therefore, volume of solution administered per day = 15 × 1 mL = 15 mL.
Therefore, we can write:
`(75\quad mL)/(585\quad mg) = (15\quad mL)/x therefore x = 117\quad mg` Ans.