After reading this article we will learn about the first line and second line of antituberculosis drugs. First Line Anti-T.B. Drugs: These have high antitubercular efficiency as well as low toxicity and are used routinely. These are: (i) Isoniazid (ii) Rifampin (iii) Pyrazinamide (iv) Ethambutol (v) Streptomycin Second Line Anti-T.B. Drugs: These drugs have either […]