Which of the following is a broad spectrum antibiotic?
Erythromycin
Streptomycin
Tetracycline
All
Spectrum of activity: Narrow-spectrum Penicillin G,Streptomycin,Erythromycin Broad-spectrum Tetracyclines,Chloramphenicol ESSENTIALS OF MEDICAL PHARMACOLOGY K.D.TRIPATHI SIXTH EDITION PAGE NO:669
Chemotherapy