Colistimethate is a medication that belongs to a class of drugs known as polymyxins. It is commonly used to treat serious bacterial infections, particularly those caused by multidrug-resistant strains. Colistimethate works by disrupting the cell membrane of the bacteria, leading to their death.

This medication is typically administered intravenously or through inhalation, depending on the type and severity of the infection being treated. It is important to follow the dosage instructions provided by your healthcare provider and to complete the full course of treatment, even if you start to feel better before the medication is finished.

As with any medication, colistimethate may cause side effects. Common side effects include nausea, vomiting, diarrhea, and kidney problems. It is important to report any unusual or severe side effects to your healthcare provider immediately.

It is also important to inform your healthcare provider of any other medications or supplements you are taking, as they may interact with colistimethate. Additionally, it is important to inform your healthcare provider if you have any allergies or medical conditions before starting treatment with this medication.

Overall, colistimethate is a valuable medication for treating serious bacterial infections, particularly those that are resistant to other antibiotics. It is important to use this medication as directed by your healthcare provider and to report any concerns or side effects promptly.