Antimicrobials:

These are the chemical substances employed to cure infections because of micro-organisms. These are as well known as microbes. Any creature that causes disease is termed as pathogen.

The control of microbial diseases might be get by the subsequent three types,

(i) By drugs that kill the creature in the body (bactericidal).

(ii) By drugs that arrest or inhibit the growth of the organism (bacteriostatic) and

(iii) By rising immunity and resistance to infection of the body (immunity).           

Antimicrobial matters can be synthetic chemicals such as sulphonamides, paraamino salicylic acid or they may be antibiotics such as tetracycline, penicillin, chloramphenicol, etc.