Question

Ordered: amoxicillin 0.15 g POq8h for a patient with cystitis. The suspension contains 200 mg amoxicillin per 5.0 ml solution. How many ml. per dose? volume =

Answer 1

Answer:

3.75 ml per dose

Explanation:

We need to  convert the units from g to mg and then perform a cross-multiplication.

The concentration of the drug is 200 mg/ 5.0 ml

200 mg = 0.2 g (because 1 g equals 1000 mg)

$\frac{0.2 g}{5 ml} =\frac{0.15 g}{x} \\ x= \frac{0.15 g *5 ml}{0.2 g}$

x = 3.75 ml