Known as: colistimethate sodium 150 mg in 2 mL INTRAMUSCULAR INJECTION [Colistimethate], COLISTIMETHATE SODIUM 150 mg in 2 mL INTRAMUSCULAR INJECTION, POWDER, LYOPHILIZED, FOR SOLUTION [Colistimethate], colistimethate 150 mg in 2 mL INTRAVENOUS INJECTION [Colistimethate]