PHARMACOLOGY- VARIETIES OF DRUGS-LESSON 155

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VARIETIES OF DRUGS: A drug can have three varieties of names. They are 1. Chemical name, 2. Generic or official name and 3. Brand (trade or proprietary) name.

Chemical name is the chemical formula of the drug. This is useful for the chemist because it shows the structure of the drug. The chemical formula may be long and complicated.

Generic or official name may be recognized as identifying the drug for legal and scientific purposes. This name becomes public property by the original manfacturer and any drug manufacturer may use it thereafter.The generic name for each drug is only one.

Brand name (trade or proprietary) is the private property for individual drug manufacturer. This is a registered trade name. When a particular brand name is ordered on a prescription by a physician, it must be dispensed by the pharmacist; no other brand name may be substituted.

The chemical name of ampicilin is 'derivative of 6-aminopenicillanic acid'.

The generic name of ampicilin is 'ampicilin'.

The brand names of ampicilin are:

1. Amcill capsules.

2. Omnipen.

3. Polycillin.

4. Pricipen.

In the next lesson we will learn about administration of drugs. Okay.

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