Coumadin
Take 5mg on even days, take 2.5 mg on odd days
Disp: 30 days supply
If the stock supply is only 5mg tablets, how many tablets will be required to fill the prescription?
If the stock supply is only 2.5mg tablets, how many tablets will be required to fill the prescription?
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To find out how many tablets are required to fill the prescription, we need to calculate the total dosage needed for the 30-day supply.
For the prescription where 5mg tablets are available:
- On even days: 5mg tablets are taken.
- On odd days: 2.5mg tablets are taken.
We can consider the prescription as alternating between 5mg and 2.5mg tablets. In 30 days, there will be 15 even days and 15 odd days.
On even days: 5mg * 15 days = 75mg
On odd days: 2.5mg * 15 days = 37.5mg
To calculate the total dosage needed, we add the even and odd day dosages:
Total dosage = 75mg + 37.5mg = 112.5mg
Since the stock supply is only 5mg tablets, we need to determine how many tablets we need to reach the total dosage of 112.5mg. We divide the total dosage by the strength of each tablet:
Number of tablets = Total dosage / Tablet strength
Number of tablets = 112.5mg / 5mg = 22.5 tablets
However, since we cannot have a fraction of a tablet, we need to round up to the nearest whole number. Therefore, we would need to take 23 tablets of 5mg to fill the prescription.
Now, let's consider the case where 2.5mg tablets are available:
Using the same approach, we calculate the total dosage needed:
On even days: 5mg * 15 days = 75mg
On odd days: 2.5mg * 15 days = 37.5mg
Total dosage = 75mg + 37.5mg = 112.5mg
Since the stock supply is now 2.5mg tablets, we divide the total dosage by the strength of each tablet:
Number of tablets = Total dosage / Tablet strength
Number of tablets = 112.5mg / 2.5mg = 45 tablets
Rounding up to the nearest whole number, we would need to take 45 tablets of 2.5mg to fill the prescription.