On the Initial fill, 30 pills is a 33-days supply by: David

The first fill of thirty pills will last 33 days. That is 1 half tablet for 7 days (which will take 4 tablets = 8 half tablets including one half-tablet that will be wasted).

So 30 pills, minus 4 pills for the first 7 days, equals a remainder of 26 pills.

So 4 pills for the first 7 days, and then the remaining 26 pills (4+26=30 pills) for 26 days... now total up the days... 7 initial days plus 26 days equals 33 total days for the initial fill of this medication.

So 30 pills in the first fill will last 33 days. Unfortunately, if the patient is using insurance, the insurance may not allow more than a 30-days supply to be filled. In this case, you should be able to fill 27 pills for a 30 days supply. After that initial fill of the prescription, 30 pills equals 30 days supply at 1 pill taken once daily.

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