Cephalosporins
The key Cephalosporin is correct because Keflex (cephalexin) belongs to the cephalosporin class of antibiotics.
Cefalexin, also spelled cephalexin, is an antibiotic that can treat a number of bacterial infections. It kills gram-positive and some gram-negative bacteria by disrupting the growth of the bacterial cell wall.
Learn more about Keflex here:
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