Term Name:	colistimethate
Synonyms:
Definition:	A mixture where R = H or Me. Colistin in which each of the primary amino groups is converted to the corresponding aminomethanesulfonic acid. It is prepared from colistin by the action of formaldehyde followed by sodium bisulfite. A polymyxin antibiotic, it is used as its penta-sodium salt in the treatment of severe infections, particularly of multidrug-resistant Gram-negative bacteria such as Pseudomonas aeruginosa and Acinetobacter baumannii.
Ontology:	ChEBI [CHEBI:59662]  ( EBI )