Pus-forming bacteria are microorganisms that invade wounds or injured tissues, multiplying rapidly and causing an immune response that results in the production of pus. There are several synonyms for this term, including suppurative bacteria, pyogenic bacteria, and purulent bacteria. These bacteria are characterized by their ability to produce abscesses or boils, which are collections of pus that can be painful and tender to the touch. While many different types of bacteria can cause this type of infection, some of the most commonly identified organisms are Staphylococcus aureus, Streptococcus pyogenes, and Pseudomonas aeruginosa. Identifying the specific type of bacteria present in a wound is essential for determining the most effective treatment plan.