Question

Digoxin Elixir is available in a concentration of 0.05 mg/ml. What quantity is required for a 0.125 mg dose?

Answer 1

Answer: Quantity required for a 0.125 mg dose is 2.5 ml

Explanation:

Given : Available concentration of Digoxin Elixir = 0.05 mg/ml.

That is 0.05 mg is present in 1 ml of the solution. We need to find quantity required for a 0.125 mg dose.

This can be found using unitary method.

For 0.05 mg, the quantity required is = 1ml

Thus for 1 mg ,  the quantity required is = $\frac{1}{0.05}\times 1=20ml$

For 0.125 mg ,  the quantity required is = $\frac{20}{1}\times 0.125=2.5ml$

Thus quantity required for a 0.125 mg dose is 2.5 ml