👉 The term "sulfonamide" is commonly used in medicine to refer to a class of antibiotics that are derived from the sulfonic acid group (S) of the amino acid threonine. These drugs are primarily used to treat bacterial infections, and they include penicillin G, which is often used for treating pneumonia and other respiratory infections caused by bacteria, and vancomycin, an antibiotic that is commonly prescribed for urinary tract infections. In addition to their use in medicine, sulfo
