This book provides a detailed overview of the progress and challenges of non-traditional approaches for tackling antimicrobial resistance. The first chapter covers the factors that make microbes more likely to develop multidrug resistance. The book goes on to discuss the antimicrobial properties of propolis, essential oils and other microbial constituents that are used or under investigation to treat multidrug-resistant infections. Additionally, it covers alternative compounds that work as antimicrobial agents, their mechanisms of action, and how they might be utilized in conjunction with conventional drugs to circumvent drug resistance. The book explores the application of phage therapy and recent advancements in phage-based infection control with an emphasis on multidrug-resistant infections and discusses drug repurposing as a strategy to develop new antimicrobial agents efficiently and expeditiously.