ABSTRACT
Antibiotics have revolutionized the treatment of infectious diseases, contributing signicantly to improve the health of the population. Antibacterials, anti-infectives, antimicrobials, or chemotherapeutics comprise synthetic and natural compounds. Antibiotics are “natural antimicrobial substances produced at low concentrations by certain microorganisms, fungi, and bacteria for inhibiting the growth of other microorganisms.” Strictly, antibiotics should include only ve classes-penicillins, tetracyclines, macrolides, aminoglycosides, and amphenicols [1,2].
