Which antibiotic is commonly known as Keflex?

Keflex is the brand name for the antibiotic cephalexin, which belongs to the class of medications known as first-generation cephalosporins. This antibiotic is primarily used to treat a variety of bacterial infections, including skin infections, respiratory tract infections, and urinary tract infections. Its broad spectrum of activity against gram-positive bacteria makes it a commonly chosen treatment option in various clinical settings.

When considering the other options, it's important to note that while cefadroxil is another cephalosporin antibiotic, it is not marketed under the name Keflex. Cefotetan and cefepime are also cephalosporins, but they belong to different generations and have distinct uses and mechanisms of action compared to cephalexin. Understanding these distinctions helps reinforce why cephalexin is specifically referred to as Keflex, highlighting its unique role in antibiotic therapy.