Information about Polymyxin B

Polymyxin B Uses

Polymyxin B is used in the treatment of severe bacterial infections. It is used to treat certain types of serious infections which are not responding to other antibiotics.

How Polymyxin B works

Polymyxin B is an antibiotic. It kills bacteria by destroying the bacterial cell membrane.

Common side effects of Polymyxin B

Burning sensation, Eye irritation
Written By
Reviewed By
MD (Pharmacology), MBBS
Last updated
26 Jun 2020 | 03:31 PM (UTC)

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Available Medicine for Polymyxin B

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Expert advice for Polymyxin B

  • Polymyxin B treats serious bacterial infections that have not responded to treatment with other antibiotics. 
  • It is given by injection or drip (infusion) into a vein usually over 30-60 minutes. 
  • Finish the prescribed course, even if you start to feel better. Stopping it early may make the infection come back and harder to treat. 
  • Diarrhea may occur as a side effect. Inform your doctor if ti doesn’t stop or if you find blood in your stools.
  • Your doctor may get regular blood tests done to monitor the level of the medicine in your blood. 

Frequently asked questions for Polymyxin B

Polymyxin B

Q. What is Polymyxin B? What is it used for?

Polymyxin B is an antibiotic that fights bacteria. It is used to treat severe infections of the skin, soft tissues, heart and blood. It is commonly used to treat critically ill patients who are hospitalized.

Q. How is Polymyxin B administered?

Polymyxin B should be administered under the supervision of a trained healthcare professional or a doctor only and should not be self-administered. The dose will depend on the condition you are being treated for and will be decided by your doctor. Follow your doctor’s instructions carefully to get maximum benefit from Polymyxin B.

Q. Is Polymyxin B safe?

Polymyxin B is safe if used in the dose and duration advised by your doctor. Take it exactly as directed and do not skip any dose. Follow your doctor's instructions carefully and let your doctor know if any of the side effects bother you.

Q. What are the side effects of Polymyxin B?

Some common side effects associated with Polymyxin B include reduced urination, breathing problems, numbness, vertigo, blurred vision, facial redness, slurred speech and pain. However, these side effects are usually not bothersome and resolve in some time. If they persist for a longer duration or worry you, consult your doctor.


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