Zosyn; Antibacterial, Penicillin; Inj: Piperacillin 2 gm, tazobactam 0.25 gm; 3 gm/0.375 gm; 4 gm/0.5 gm; 240 mg/kg/day of piperacillin
IV q8h, may use up to 300-400 mg/kg/day
IV q6h for serious pseudomonal infections (max 12 gm/day) 1 gm piperacillin contains 2.35 mEq Na