noun
- any of a group of antibiotic substances produced by certain bacteria and used to treat infections caused by gram-negative bacteria
Usage: medical
Examples
- The doctor prescribed polymyxin to treat the patient’s severe bacterial infection.
- Polymyxin B is commonly used in topical antibiotic ointments.
- The laboratory tested the bacteria’s resistance to polymyxin.
- Polymyxin E, also known as colistin, is reserved for serious infections.
- The antibiotic polymyxin works by disrupting bacterial cell membranes.
- Due to potential side effects, polymyxin is typically used as a last resort.