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$medication math calculator$

#Medication math calculator how to#

You can test what you have learnt with this drug calculations quiz. The available stock on the ward is 10mg/5ml (10mg in 5ml) elixir.

Stock strength (what you’ve got): 100mgĪ patient requires dihydrocodeine 30mg.

The strength required (what you want): 200mg.

The available stock on the ward is 100mg/ml (100mg in 1ml) oral solution.

#Medication math calculator how to#

How to calculate a liquid medication dosageĪ patient requires amisulpride 200mg. Dosage Question Steps Unit Conversion Mass for Mass Mass/Liquid For Liquid IV Terms and. Please click below to begin: Begin Tutorial Table of Contents for Dosage Calculations Tutorial. How many tablets should the nurse administer to patient X if the available stock strength on the ward is 2.5mg? This website provides a dosage calculations tutorial, complete with explanations and examples, to help nursing students prepare for a medication exam. The doctor prescribes bendroflumethiazide 7.5mg on patient X’s drug chart.

Stock strength (what you’ve got): 10mg in one tablet.

The strength required (what you want): 20mg.The pharmacy sends a vial with a label '10 mg/mL.

In this example 180 mg is the total to be given. Therefore, the total dose to be administered is: Total dose (Weight of the patient in kg) x (dose of Drug) Total dose (12 Kg) x (15mg) 180 mg. The available stock strength you have is 10mg. Calculate the flow or pump rate setting for regulators and controllers. A health care provider (HCP) prescribes 8.0 mg IM of a medication. In this example we will use a 15 mg dose in a child weighing 12 kg. The Doctor prescribes promethazine hydrochloride 20mg for patient X. How to calculate the number of tablets required If you are unsure how to convert from one unit of measurement to another, take a look at the conversion table. Or another way this liquid dose formula can be expressed is: ( What you want / What you’ve got) × What it’s in = Volume dose required Worked examples with stepsīefore working through these worked example questions and attempting the drug calculations quiz in the next part, remember to make sure the strength required and stock strength is always in the same units of measure (ie., both ng, both mcg, both mg or both g). To calculate the volume dose for liquid medicine, use this formula: (Strength required / Stock strength) × Stock volume = Volume dose required Or another way this drug dosage formula can be expressed is: What you want / What you’ve got = Number of tablet(s) required To calculate the number of tablets, use the following formula: Strength required / Stock strength = Number of tablet(s) required Example 1: The physician has ordered 2.5 grams and the medication comes in 500 mg/tab.

Finally, in part 3, you can test what you have learnt by attempting the drug calculations quiz. So you take whatever dose the physician ordered, divide it by whatever you have available, and multiply that times the amount that the med comes in.

In part 2, you will find worked examples (with steps) on how to calculate the required number of tablets or volume of liquid medicine.

Part 1 will define the two formulas that can be used to calculate the drug dose required from stock strength for both oral tablets/capsules and oral liquid medicines.

This learning is divided into three parts. The aim of this guide is to learn how to calculate a drug dosage from the stock strength. (2nd ed.).This how-to guide on drug dosage calculations has been created for student nurses, pharmacy students, pre-registration pharmacists and pharmacy technicians. Springhouse, PA: Springhouse Corporation. 1997-99 Handbook of emergency cardiovascular care for healthcare providers. J., Zaglaniczy, K., L., & Haglund, V., L. Updated 2023 with viva questions & Drug units and calculations OSCE. Many of the formulas used in the calculators were obtained from: OSCEstop Calculation skills guide to Medical Student OSCE Drug units and calculations. The author cannot be responsible for misuse or misapplication of the material on this site. Readers are advised, however, to check the product information currently provided by the manufacturer to be certain that changes have not been made in the recommended dose. The author of this page has carefully checked that the dosage information on this page is accurate and in accord with the standards accepted at the time this page was printed. This page is intended for educational purposes.