This category covers the pharmacology, appropriate prescribing, and safe administration of antibiotic agents used against bacterial infections. Articles address common indications including respiratory tract infections, urinary tract infections, skin and soft-tissue infections, and sexually transmitted diseases. Topics include drug-class mechanisms such as beta-lactams, fluoroquinolones, and macrolides, as well as dosing schedules, contraindications, and adverse-effect profiles. Guidance on antimicrobial stewardship, resistance prevention, and recognizing allergic or anaphylactic reactions is provided to support informed clinical decision-making and long-term patient safety.