Cephalosporin Drugs are divided into generations based on their spectrum of antibacterial activity and ability to resist degradation by bacterial β-lactamases. First-generation cephalosporins like cephalexin and cefadroxil have activity against gram-positive bacteria but are susceptible to degradation by some β-lactamases. Second-generation drugs like cefuroxime and cefprozil ... https://articlescad.com/cephalosporin-drugs-behind-the-scene-of-these-powerful-antibiotics-108512.html