neomycin

/ˌniːoʊˈmaɪsɪn/
noun
  1. An antibiotic medicine used to kill bacteria, often applied to the skin or taken by mouth to prevent infection.
    • Some people are allergic to neomycin and develop a rash when they use it.
    • Neomycin is often included in first-aid creams to help prevent wound infections.
    • The doctor prescribed neomycin ointment for the cut on my hand.