TABLE 6.

Chemical Structures of 7-Position Side Chains of Penicillins and Cephalosporins

Similar Structure/Possible Cross-Reactivity With GroupDissimilar Structures/Unlikely Cross-Reactivity
RelatedRelatedRelatedNot RelatedNot Related
Penicillin GAmoxicillinCefotaximeCefsulodinCefotiam
CephaloridineAmpicillinCeftizoximeCefazolinCeftazidime
CephalothinCefaclorCeftriaxoneCefonicidCefamandole
CefoxitinCephalexinCefpodoximeCefotetanCephapirin
CephradineCefpiromeCefuroximeCefixime
CefprozilCefepimeCefoperazoneCefmetazole
CefatrizineCefetametCefdinirCeftibuten
CefadroxilCefteramMoxalactam