IV
Usual dose (CrCl ≥ 30 mL/min)
400 mg IV q12h
Severe infections; infections due to Pseudomonas aeruginosa (CrCl ≥ 50 mL/min)
400 mg IV q8h
PO - Regular release oral solid
Usual dose (CrCl ≥ 30 mL/min)
500 mg PO q12h
Infection of the bone or skin, infections due to Pseudomonas spp or severe infections (CrCl ≥ 50 mL/min)
750 mg PO q12h