Uses, Dosage & Side Effects: Polymyxin B Injection

Polymyxin B Injection

Generic namePolymyxin B sulfate
Drug classAntibiotic (polypeptide antibiotic)
FormsInjection (powder in a vial for making a solution)

Polymyxin B is a polypeptide antibiotic that belongs to a family of five related compounds (Polymyxin A-E). It is used to treat serious bacterial infections and is often reserved as a last option when other antibiotics do not work, because it can be hard on the kidneys and nerves.

Read the full guideUses, dosage, side effects, precautions, and sources, written from the same verified facts.

General information, not medical advice

Your prescriber and the leaflet in your pack know your situation. This page does not.

  • Follow your prescriber and the leaflet
  • Don't start, stop, or change a dose on your own
  • Doses and warnings differ by country and product
Facts checked by a personFull disclaimer

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