Colistin Other names: Polymyxin E Colistin sulfate

Molecular mass: 1,155.455 g/mol  PubChem compound: 131704173

Active ingredient description

Colistin is a cyclic polypeptide antibacterial agent belonging to the polymyxin group. Polymyxins work by damaging the cell membrane and the resulting physiological effects are lethal to the bacterium. Polymyxins are selective for aerobic Gram-negative bacteria that have a hydrophobic outer membrane.

Medicine classification

This medicinal substance has been classified in the anatomical therapeutic chemical (ATC) classification according to its main therapeutic use as follows:

ATC code Group title Classification
A07AA10 Colistin A Alimentary tract and metabolism → A07 Antidiarrheals, intestinal antiinflammatory/antiinfective agents → A07A Intestinal antiinfectives → A07AA Antibiotics
Discover more medicines within A07AA10
J01XB01 Colistin J Antiinfectives for systemic use → J01 Antibacterials for systemic use → J01X Other antibacterials → J01XB Polymyxins
Discover more medicines within J01XB01

External identifiers

CAS Substance: 1066-17-7
DrugBank Drug: DB00803
KEGG Drug: D02138
PubChem Compound: 131704173
RxNorm Ingredient: 2709
SNOMED-CT Concept: 387412007
Colistin (substance)
UNII Identifier: Z67X93HJG1


Colistin is an active ingredient of these brands:

United States (US)

Ecuador (EC)


Japan (JP)

Turkey (TR)

Note the following: The list of brand names is continuously updated, and thus does not include the total of products circulating worldwide.

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