Polymyxin B |
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| Aerosporin; Polymyxin B Sulfate; Sulfate, Polymyxin B | |
| A mixture of polymyxins B1 and B2, obtained from Bacillus polymyxa strains. They are basic polypeptides of about eight amino acids and have cationic detergent action on cell membranes. Polymyxin B is used for infections with gram-negative organisms, but may be neurotoxic and nephrotoxic. | |