(formerly known as Bacillus polymyxa). In 2023, the combination of polymyxinB with dexamethasone and neomycin was the 260th most commonly prescribed medication in the United States, with more than 1million prescriptions.

Medical uses

Spectrum of susceptibility

PolymyxinB has been used to treat urinary tract infections and meningitis caused by Pseudomonas aeruginosa and Haemophilus influenzae, respectively.

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