This book discusses prospective alternative approaches to fight bacterial infections to minimize the indiscriminate use of conventional antibiotics. It offers the current knowledge on research and development of alternative antibacterial agents such as probiotics, nanobiotics etc. while it also discusses newly emerging trends such as phage therapy, antibody therapy etc. The book highlights on the phytochemicals with potent antibacterial activities as alternatives to conventional antibiotics. Chemical modification to develop next generation antibiotics with enhanced efficacy has also been included. Such modifications are reported to overcome the inherent resistance of the parent antibiotics. Phage therapy and targeted antibodies are considered as potential alternative approaches to treat bacterial ailments and represent areas of cutting-edge research and have therefore been discussed with sufficient care. Mainly, the book highlights various approaches other than conventional antibiotics in treating bacterial infections. The scientific advancements in these areas will strengthen the ‘One Health’ approach benefiting human beings, animals and environment as well. This book is a comprehensive resource to cater researchers, biological scientists, herbalists and clinical practitioners with up-to-date information on antibacterials other than antibiotics.