“…In the post-PIDS/IDSA guidelines era, first-line use of aminopenicillins has increased significantly, but early studies indicate that physicians continue to treat up to 90 % of hospitalized children with broad spectrum cephalosporins [66]. There is good evidence that treatment with appropriately dosed aminopenicillin therapy overcomes most B-lactam resistance, without impairing readmission rates, length of stay (LOS), or costs of hospitalization [48,67,68].…”