Question

A prescription is written for prednisolone 1% ophthalmic suspension. i-ii gtts od bid x2weeks. What quantity should the pharmacist dispense if the insurance only covers 1-month supply? 2.5 mL 5 mL 10 mL 15 mL

Answer 1

1ml = 20 drops

The prescription is 1-2 drops in the right eye (od here is oculus dexter) two times a day for 14 days

2 drops $\times$ 2 times a day $\times$ 14 days = 56 drops

The required medication = 56 drops $\div$ 20 = 2.8 ml

The pharmacist should dispense 5 ml of prednisolone 1% ophthalmic suspension bottle.