Describe the classification of drugs into different ,classes.

Explanation

Classification of drug action:based on the actions of drugs on particular biochemical processes they are classified as
i) Antibacterials ii)Antibiotics iii)Hypnotics iv)Sedatives and tranquilizers v)Cardio vascular drugs vi) Antiseptics etc.
ii) On the basis of molecular targets:biomolecules like carbohydrates,lipids,proteins,nucleic acid etc,react with drugs.These biomolecules are called drug targets or simply target molecules.
iii)On the basis of chemical structure:the drug with siome common structural features generally show similar pharmacological structural feature.generally show similar pharmacological activity.E.g:Sulfonamides have common structural feature so they have same chemotherapeutic action.
iv)On the basis of pharmocological effect:This type of classification is useful for doctors because it provides them the whole range of drugs available for this treatment.E.g:Anagesics have pair killing effect.