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Medical Term:

colistimethate sodium

Pronunciation: kō-lis′ti-meth′āte sō′dē-ŭm

Definition: Contains the pentasodium salt of the penta(methanesulfonic acid) derivative of colistin A as the major component, with a small proportion of the pentasodium salt of the same derivative of colistin B; an effective antibiotic against most gram-negative bacilli (except Proteus), given intramuscularly.

Synonym(s): cholistine sulphomethate sodium

See Also: polymyxin