Question Answer
bactrim septra sulfamethoxazole trimethoprim ABX- sulfonamide
macrobid macroclantim nitrofurantioin ABX- sulfonamide
amoxil trimox amoxicillin ABX- penicillin
principen ampicillin ABX- penicillin
augmentin amoxicillin- clavulanate ABX- PCN
unasyn amoxicillin-sulbactam ABX- PCN
zosyn piperacillin tazobactam ABX- PCN
keflex cephalexin ABX- cephalosporin
tazicef fortaz tazidime ceftazidime ABX- cephalosporin
claforan cefotaxime ABX- cephalosporin
oracea doxycycline ABX- tetracycline