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Biomedical Basics

Drug calculations for healthcare

  • Created by Henry Stewart Talks
Published on April 30, 2026   4 min

A selection of talks on Pharmaceutical Sciences

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In this talk, the focus is drug calculations for healthcare, supported by coverage of the importance of accurate drug calculations in healthcare, including converting between different units, interpreting medication labels, and determining correct doses for oral and intravenous administration. We will discuss key formulas, unit conversions, and adjusting doses for specific populations such as children, neonates, the elderly, and those with renal impairment. The session will emphasize the five rights of administration and the need to double check calculations and account for factors affecting drug absorption and metabolism. Mastering these skills is essential for ensuring patient safety and effective treatment. Whether in nursing, medicine or pharmacy, safe and accurate drug dosing is vital for patient care. In this session, we will explore converting between units like milligrams, grams, and milliliters, calculating doses for oral and intravenous roots, and understanding how drug concentrations impact preparation and administration. By confidently interpreting drug labels, you ensure patient safety and optimize treatment. Unit conversion underpins most drug calculations. The metric system is universal in healthcare, but drug packaging varies. US vials may state contents in milligrams per milliliter, while UK preparations might use micrograms or percentages. Always convert units as needed. 1 gram is 1,000 milligrams, and 1 milliliter is 1,000 microliters.

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