colistin

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colistin

 [ko-lis´tin]
an antibiotic produced by Bacillus polymyxa var. colistinus, or the same substance produced by other means; it is related chemically to polymyxin, and used in treatment of infections.

co·lis·tin

(kō-lis'tin),
A mixture of cyclic polypeptide antibiotics from a strain of Bacillus polymyxa; separable into polymyxins.
Synonym(s): colimycin

colistin

/co·lis·tin/ (ko-lis´tin) an antibiotic produced by Bacillus polymyxa var. colistinus, related to polymyxin and effective against many gram-negative bacteria; used as the sulfate salt.

colistin

(kə-lĭs′tĭn, kō-)
n.
An antibiotic produced by the bacterium Bacillus polymyxa (also known as B. colistinus) that is effective against a wide range of gram-negative bacteria and is used in the treatment of certain infections, especially of the ear.

colistin

An antibiotic produced by the bacterium Bacillus colistinus and effective against Pseudomonas aeruginosa . It is used to sterilize the inside of the bowel and bladder and on the skin and external ear. A brand name is Colomycin.

colistin

a polymyxin antibiotic, active against gram-negative organisms and used in the treatment of urinary tract infections. Called also polymyxin E.