Colistin
Synonyms
Colimycin
Colisticin
Colistin Sulfate
Coly-Mycin
Polymyxin E
Sulfate, Colistin
Totazina
Cyclic polypeptide antibiotic from Bacillus colistinus. It is composed of Polymyxins E1 and E2 (or Colistins A, B, and C) which act as detergents on cell membranes. Colistin is less toxic than Polymyxin B, but otherwise similar; the methanesulfonate is used orally.