Pharmaceutical Calculations
What pharmaceutical calculations means
Doses, concentrations, dilutions and days supply.
Before you start
Not confident yet? Work through Dosage Forms & Routes first.
Worked example
One question from this skill's own question bank, shown with its full working.
A doctor prescribes 250 mg of a drug available as a 125 mg per 5 mL syrup. The volume per dose is
- 10 mL
- 5 mL
- 2.5 mL
- 25 mL
Working: 250 divided by 125 equals 2 units of 5 mL, so 10 mL per dose.
Curriculum and exam alignment
Curriculum notes are a general guide to where this work normally sits. Always check the syllabus your school or examination body is currently using.
Related skills
Other Pharmaceutical Sciences skills in Pharmacy, at the same point in the course.
Other Pharmacy topics
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Practise pharmaceutical calculations
6 questions with a worked answer after every attempt, and a SmartScore that tracks how close you are to mastery.