Which classification does Cephalexin belong to?

Cephalexin is classified as a 1st-generation cephalosporin antibiotic. This classification indicates that it is part of a group of antibiotics that are effective against a variety of Gram-positive bacteria and some Gram-negative bacteria. 1st-generation cephalosporins, including cephalexin, are often used to treat infections of the skin, respiratory tract, and urinary tract, among others.

Cephalexin specifically works by disrupting the synthesis of the bacterial cell wall, leading to cell lysis and death. This mechanism is typical of beta-lactam antibiotics, which includes cephalosporins and penicillins. However, it is important to note that although both cephalexin and penicillins belong to beta-lactam antibiotics, cephalexin is not a penicillin itself.

Understanding the classification of cephalexin helps in recognizing its spectrum of activity, potential uses, and the types of bacteria it is effective against, which is crucial for selecting the appropriate antibiotic in clinical scenarios.