colistin

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co·lis·tin

 (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.
[From New Latin colistīnus, specific epithet, from coli-.]
American Heritage® Dictionary of the English Language, Fifth Edition. Copyright © 2016 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.

colistin

(kəˈlɪstɪn)
n
(Medicine) a polymyxin antibiotic
Collins English Dictionary – Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014

co•lis•tin

(kəˈlɪs tɪn)

n.
a broad-spectrum antibiotic derived from the soil bacterium Bacillus colistinus, used esp. for treating gastroenteritis.
[1950–55; < New Latin colistinus epithet for a variety of Bacillus polymyxa]
Random House Kernerman Webster's College Dictionary, © 2010 K Dictionaries Ltd. Copyright 2005, 1997, 1991 by Random House, Inc. All rights reserved.
References in periodicals archive ?
The growing epidemic of infections in the ICU caused by MDR pathogens has led clinicians to reconsider prescribing pPB and colistin (polymyxin E) drugs that were removed from use in the past because of their neuro-and nephro-toxicity.17 An earlier study evaluated the efficacy of PB in MDR pathogens when there is very narrow choice.18 In case of A.
Susceptibility pattern of tracheal tube isolates from Intensive Care Unit of Fauji Foundation Hospital Rawalpindi
Polymyxins which include polymyxin B and colistin (polymyxin E) are the "old" antibiotics which are used clinically.
Resurgence of Polymyxin B for MDR/XDR Gram-Negative Infections: An Overview of Current Evidence
Most isolates were susceptible to polymyxin E and tigecycline (97% and 89% respectively).
A decade of change in susceptibility patterns of Gram-negative blood culture isolates: a single center study
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