Question: is cephalexin the same as amoxicillin?
Answer: Are cephalexin and amoxicillin the same? While cephalexin and amoxicillin are each beta-lactam antibiotics, they are not the same. Cephalexin is a cephalosporin antibiotic, and amoxicillin is a penicillin derivative. While they cover some of the same bacterial organisms, they each cover unique organisms.