(iStockphoto) Every year, more than 700,000 people take the Graduate Record Exam, commonly known as the GRE. While the test is similar in many ways to its college-entrance cousin, the SAT, there are some important differences.
Cephalexin is used to treat certain infections caused by bacteria such as pneumonia and other respiratory tract infections; and infections of the bone, skin, ears, , genital, and urinary tract. Cephalexin is in a class of medications called cephalosporin antibiotics. It works by killing bacteria.
All that MRSA means is that it is methicillin resistant staphlococcus aureus which usually means it is resistant to methicillin and Penicillin. Keflex is a cephalosporin antibiotic and can treat staph infections. It sounds like he was lucky and had a stain of MRSA that wasn't resistant to cephalosporins.