Medication Dose Formula:
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Definition: This calculator determines the exact dose of medication needed based on the desired dose, stock concentration, and volume.
Purpose: It helps healthcare professionals and caregivers accurately calculate medication doses to ensure proper treatment and avoid under or overdosing.
The calculator uses the formula:
Where:
Explanation: The desired dose is divided by the stock concentration to determine the concentration ratio, then multiplied by the volume to get the final dose.
Details: Proper dose calculation ensures patient safety, treatment efficacy, and prevents medication errors that could lead to serious consequences.
Tips: Enter the desired dose in mg/kg, stock concentration in mg/ml, and volume in ml. All values must be > 0.
Q1: What if my patient's weight is in pounds?
A: First convert pounds to kg (1 kg = 2.2 lbs) before using the calculator.
Q2: How do I find the stock concentration?
A: Check the medication label or package insert. It's typically listed as mg/ml or mg/tablet.
Q3: What units does this calculator use?
A: The calculator uses mg/kg for desired dose, mg/ml for concentration, and ml for volume.
Q4: Can I use this for liquid and solid medications?
A: This calculator is primarily for liquid medications. For solids, you'll need to account for tablet strength.
Q5: Should I round the calculated dose?
A: Follow your institution's rounding rules, typically to the nearest measurable amount on your administration device.