Beta-lactams are a class of antibiotics that contain a specific chemical structure known as the beta-lactam ring. This structure is crucial for their ability to inhibit the growth of bacteria by interfering with the synthesis of their cell walls. Common examples of beta-lactams include penicillin and cephalosporins, which are widely used to treat various bacterial infections. These antibiotics are effective against many types of bacteria, particularly Gram-positive organisms. However, some bacteria have developed resistance to beta-lactams, making it essential to use these medications judiciously. Understanding their mechanism and potential resistance helps in the effective treatment of infections.