Examples · Oral dose - tablets
Worked example
Oral dose - tablets - practice problem 5
The prescriber orders 50 mg of prednisone PO. The pharmacy stocks prednisone in 50 mg tablets.
Ordered dose50 mg
On hand50 mg per tablet
How many tablets should the nurse give?
Answer: 1 tablet
Step-by-step solution
1. Identify what you have and what you want
Have: 50 mg per tablet · Want: 50 mg
2. Set up dimensional analysis so mg cancels
50 mg × ( 1 tablet ÷ 50 mg )
3. Cancel mg and solve
= ( 50 × 1 ) ÷ 50 tablet
= 1 tablet
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