“…14 Based on this spectrum, most authors recommend use of a first-generation cephalosporin, such as cefazolin. 1,2,[11][12][13][15][16][17][18] Cephalosporins are -lactam antibiotics that are closely related, both structurally and functionally, to penicillins. Specific cephalosporins are produced semisynthetically by the chemical attachment of side chains to a 7-aminocephalosporanic acid nucleus.…”