Rx Dextromethorphan 15 mg/ml Guaifenesin syrup as 240 ml Sig. 1 q 4 h p.r.n. cough...

Question

Question

Rx

Dextromethorphan 15 mg/ml

Guaifenesin syrup as 240 ml

Sig. 1 q 4 h p.r.n. cough

How many milligrams of Dextromethorphan should be used in preparing the Rx. The answer is 720 mg. Please show full solution. Thank you.

Answer 1

Answer #1

Answer = solution is 240 ml

Dextromethorphan is 15mg/ml so 15×240= 3600mg

Order four time a day and p.r.n (means as needed) 5th time

So 5 time we can take this

3600÷5= 720mg

If you have any query we will discuss in comment section otherwise please like Thanks

Answer 2

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