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How to Calculate the Formula for Liquid Medication Dosage

Learn the simple formula to calculate liquid medication dosage using concentration and prescribed dose for accurate administration.

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Video transcript

The formula for liquid medication utilizes the concentration (mg/ml) and the prescribed dose (mg). Here's the basic calculation: (Dose prescribed in mg) / (Medication concentration in mg/ml) = Volume to administer in ml. For example, if the dose is 200 mg and the concentration is 50 mg/ml, the volume to administer is 4 ml (200 mg ÷ 50 mg/ml). Always double-check calculations and consult a healthcare provider.

Questions and answers

  1. What is the formula to calculate the volume of liquid medication to administer?

    The formula is: Volume to administer (ml) = Prescribed dose (mg) ÷ Medication concentration (mg/ml).

  2. How do you use medication concentration to determine dosage?

    Medication concentration (mg/ml) helps determine the volume needed by dividing the prescribed dose by the concentration.

  3. Why is it important to double-check liquid medication calculations?

    Double-checking calculations ensures patient safety by preventing dosing errors that could cause underdose or overdose.

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