What is polymyxin? An overview of this last-resort antibiotic class
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4 min read
Polymyxins, discovered in 1947, have resurged as a crucial "last-line" defense against extremely multidrug-resistant Gram-negative bacteria due to their distinctive mechanism of action. This resurgence has brought renewed focus on the question: *What is polymyxin?* This class of antibiotics represents an important tool for serious infections when other options have failed.