Classification of Crude Drugs

The most important natural sources of drugs are higher plant, microbes and animals and marine organisms. Some useful products are obtained from minerals that are both organic and inorganic in nature.

Drugs are classified in the following different ways:

1.     Alphabetical classification

2.     Taxonomical classification

3.     Morphological classification

4.     Pharmacological classification

5.     Chemical classification

6.     Chemotaxonomical classification