Alligation Math in basic pharmacy tech math. is a method of solving a slightly complicated algebra problem. Sometimes it is called “Tic-Tac-Toe” math. Some calculations used in pharmacy in which the strength of a diluted portion of Alligation; Arithmatical method of solving problems that involves the mixing of. Alligation is one of the simple and illustrative methods in pharmaceutical calculations for the pharmacy technicians. Dilution is a simple method.

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This page was last edited on 29 Octoberat How much sugar does the drink have?

Pharmacy Calculations Tutorial | Video Tutorials and Documentation – RxCalculations

This equation proves the line diagram method of alligation is correct and most suitable in such calculation. The desired strength is the strength of the preparation that one wishes to make.

You are expected to be able to perform basic arithmetic addition, subtraction, division, and multiplication and to do so not only with whole numbers or integers but with fractions as well.

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Pharmacy Calculations Tutorial

Sign in via Shibboleth. You can also find results for a single author or contributor. Alligation method is used to calculate: Alligation medial is used in calculating the strength of the mixture of two or more components of different strengths. The Coke has calcilations of sugar per liter, the Sprite has grams of sugar per liter, and the orange soda has grams of sugar per liter.


Interpret osmolarity, isotonicity, and milliequivalents.

Pharmacy Math Alligation

With the exception of some pharmacokinetic expressions, most of the calculxtions you will be expected to perform will be simple arithmetic. This video demonstrates key steps in performing calculations using the alligation method calculatoins provides pertinent examples.

So in the above example we get: Estimate the final answer before beginning the work. In the accident, patient X, suffered a deep abrasion on his leg and may eventually need a skin graft. Please enter User Name.

Alligation is an old and practical method of calcupations arithmetic problems related to mixtures of ingredients. By using the pharmacy calculations resource you are well on your way to mastering pharmaceutical calculations and being able to solve any calculations question you encounter.

Notes on the Use of Alligation Method in Pharmaceutical Practice

The hospital order says merely the following:. Proof of Alligation Method Suppose a product of X percentage strength is to be prepared by mixing constituents of percentage Y Higher and Z lower. Retrieved from ” https: Every pharmacy calculations tutorial also includes appropriate solved examples to clarify key concepts. Suppose a product of X percentage strength is to be prepared by mixing constituents of percentage Y Higher and Z lower.

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This is an example of alligation medial because you want to find the amount of sugar in the mixture given the amounts of sugar in its ingredients.

It is often more practical to dilute a known strength preparation than it would be to compound an entire preparation. This video demonstrates key steps in performing dilution and concentration calculations and provides pertinent examples.

How much wine did the cask hold originally? Please share this article, if you like. Anything quite different from your approximation should cause you to reexamine your work.

This article incorporates text from a publication now in the public domain: Preserve Articles is home of thousands of articles published and preserved by users like you. Sometimes, a simple calculation using alligation allows us to calculate the amount of diluent to be added to an already prepared higher strength preparation to form the strength desired. If your institution subscribes to this resource, and you don’t have a MyAccess Profile, please contact your library’s reference desk for information on how to gain access to this resource from off-campus.