8 Antibiotic Classes and the Infections Each One Targets

March 30, 2026
By
Lisette Marie

# 8 Antibiotic Classes and the Infections Each One Targets: A Comprehensive Guide to Modern Antimicrobial Therapy

Antibiotics represent one of medicine's greatest triumphs, transforming previously fatal bacterial infections into manageable conditions and revolutionizing healthcare since Alexander Fleming's discovery of penicillin in 1928. These powerful antimicrobial agents work through diverse mechanisms, each targeting specific aspects of bacterial physiology to halt growth or eliminate pathogens entirely.