Definition of âevolutionâ - English Dictionary. See all translations. uk â /ËiË.vÉËluË.ÊÉn/ /Ëev.ÉËluË.ÊÉn/ us â /ËiË.vÉËluË.ÊÉn/ /Ëev.ÉËluË.ÊÉn/. B2 the way in which living things change and develop over millions of years:
Cefazolin is a cephalosporin (SEF a low spor in) antibiotic. It works by fighting bacteria in your body. Cefazolin is used to treat many kinds of bacterial infections, including severe or life-threatening forms. Cefazolin may also be used for purposes not listed in this medication guide.
Keflex Antibiotic. Keflex Â® (cephalexin) is a prescription medicine that belongs to a class of antibiotics called cephalosporins. It is approved to prevent heart valve infections and is also commonly used for treating bacterial infections, such as urinary tract infections and sinus infections. Keflex works by preventing bacteria from making and maintaining their cell wall. Without a cell wall, bacteria are vulnerable and ultimately die.