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Article
May 1962

Intraocular Penetration of Colistin

Author Affiliations

Philadelphia
From the Research Department of the Wills Eye Hospital.

Arch Ophthalmol. 1962;67(5):612-615. doi:10.1001/archopht.1962.00960020612016
Abstract

Introduction  Colistin is a new antibiotic isolated in Japan from the microorganism Aerobacillus colistinus.1 It is very similar to the polymyxins in its chemical composition, and in its spectrum of activity closely resembles polymyxin B. It is highly inhibitory for many gram-negative organisms and only slightly inhibitory or inactive towards grampositive organisms. Colistin is of distinct value in the treatment of localized and generalized infections caused by Pseudomonas aeruginosa, an organism proved to be resistant to the majority of other antibiotic and chemotherapeutic agents. Its spectrum of activity also includes Escherichia coli, Aerobacter aerogenes, Klebsiella pneumoniae, and many strains of Salmonella and Shigella. It is not effective against Proteus bacilli. The activity of colistin is not impaired in the presence of serum, whole blood, or the body fluids.2Colistin is available from Warner-Chilcott Laboratories as Coly-Mycin Ophthalmic (colistin sulfate) for topical use for investigational purposes, and as Colistimethate

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