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 tbsp BID. If the patient is taking 373.5 mg of the drug in each dose, and if the bottle supplies the drug for 5 days, then calculate the amount of drug (in gram unit) contained in the bottle.
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lb equals 3.735 g kg
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Volume of each dose (1 tbsp) = 15 mL.
Number of dose per day (BID) = 2
Numder of days the bottle is supplied for (5 days) = 5
Therefore, volume of the medication in the bottle = 15 × 2 × 5 mL = 150 mL.
Given that, there is 373.5 mg drug contained in each dose (1 tbsp). Therefore, we can write:
`(373.5\quad mg)/(15\quad mL)=x/(150 \quad mL)`
`therefore x = 3735 \quad mg = 3.735\quad g` Ans.