An antimicrobial agent is an agent that kills microorganisms or restricts their growth. This book talks about a wide range of topics, stressing on various antibacterial agents with clinical outlook and options to artificial antibacterial agents through thorough reviews of illnesses and their management using substitute approaches. It attempts to explain bacterial ailments and their management through synthetic drugs replaced by chemicals procured from various natural sources which provide a new path in the pharmaceutical industry. This book aims to bring to notice, the upcoming cost effective and eco-friendly medicines that are free of side effects, having been observed in the intersecting disciplines of medicinal chemistry, biochemistry, microbiology and pharmacology.