Colomycin通常用1- 2 million units q8h (BW>60 kg 又腎機能正常者)。Coly-Mycin通常用2.5 to 5 mg/kg /day (colistin base) = 6 to 12 mg/kg/day colistimethate sodium。 60 kg 男性用Colomycin劑量 240 - 480 mg of colistimethate sodium;不過Coly-Mycin則用360 to 720 mg of colistimethate sodium。