what is colistin used for
Administration. Colistin is used as a sulphate or as sulphomethylated form, colistimethate. Colistin sulphate tablets are used to treat intestinal infections, or to suppress colon flora. Colistin sulphate is also used as topical creams, powders, and otic solutions.Colistimethate is used for parenteral administration, and also as an aerosol to treat pulmonary infections.olistin sulphate tablets are used to treat intestinal infections, or to suppress colon flora. Colistin sulphate is also used as topical creams, powders, and otic solutions. Colistimethate is used for parenteral administration, and also as an aerosol to treat pulmonary infections.