Antipseudomonals are all, except.
Ans. (A) Cephalexin(Ref: KDT 8/e p773,774,776; Goodman & Gilman 10/e p1209)Cephalexin is an orally effective first generation cephalosporin active against gram positive but not against gram negative organisms like pseudomonas.
Cephalexin
Carbenicillin
Piperacillin
Ceftazidime
Chemotherapy: General Principles