Chemistry in Everyday Life

Drugs: Chemicals of low molecular masses (~100–500 u) used to produce biological response by interacting with target macromolecules. Drugs used for therapeutic effect are called medicines. Chemotherapy refers to the use of chemicals for therapeutic effect.

Classification of drugs
(i) Based on pharmacological effect

    Useful for doctors as it provides the whole range of drugs available to cure a particular type of problem.

(ii) Based on drug action

     On the basis of action of a drug on a particular biochemical process.

(iii) Based on chemical structure

(iv) Based on molecular targets

     (i) Useful for medicinal chemists

    (ii) Target molecules or molecular targets are the biomolecules …