A medication order reads "Give Tegretol 200 mg p. o. q. 12 hours for 2 weeks." Only 100 mg table

First, we need to determine how many tablets are needed for each dose. Since each tablet is 100

A medication order reads "Give Tegretol 200 mg p. o. q. 12...

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Key Concepts

Medication Dosage Calculation

This concept involves determining the amount of medication a patient should receive based on the prescribed dose. It typically requires dividing the prescribed strength by the strength of the available dosage form to calculate the number of units required for each administration.

Conversion Factors in Dosage Administration

Understanding conversion factors is key when the available dosage form does not match the prescribed strength. This involves using ratios to convert between different measurements (e.g., milligrams to tablets) to ensure the patient receives the correct amount of medication.

Frequency and Duration Calculation

This concept relates to calculating the total number of doses a patient will receive by considering how often the medication is administered (frequency) and for how long (duration). Multiplying the number of doses per day by the number of days in the prescribed period gives the total quantity of medication needed.

Medication Order Interpretation

This involves accurately reading and understanding a medication order, which includes the dose, route, frequency, and duration. Correct interpretation is essential to ensure that the right amount of medication is dispensed and administered safely.

A medication order reads "Give Tegretol $200 \mathrm{mg}$ p. o. q. 12 hours for 2 weeks." Only $100 \mathrm{mg}$ tablets are available. How many tablets should be dispensed?

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