Adult Dose
Loading dose of 9-12 million unit ( MU) followed by 4.5mu q12h
Nebulized Colistin: 1-4 million units, q8-12 hourly
Intrathecal/ventricular dose of colistin:
125,000 IU/day
Pediatric Dose
Loading Dose: 1.2lacsIU/Kg
Maintainence dose: Same as loading in two divided doses