polymyxin
/ˌpɑliˈmɪksɪn/
noun
- A type of antibiotic used to treat infections caused by certain bacteria, especially gram-negative bacteria.
- The doctor prescribed a polymyxin eye drop for the bacterial conjunctivitis.
- Some bacteria have become resistant to polymyxin, making treatment more difficult.
- Polymyxin is often used in ointments for skin infections.