Disclosed herein are compositions for treatment of ear infection (such as bacterial and/or yeast infection) in human or veterinary subjects. In some embodiments the compositions include silver microparticles, for example about 0.1% silver microparticles, about 0.2% silver microparticles, or about 0.4% silver microparticles. Also disclosed are methods for treating ear infection in a subject utilizing one or more of the disclosed compositions, for example sequential application of compositions including about 0.1% silver microparticles, about 0.2% silver microparticles, and about 0.4% silver microparticles to the ear canal of the subject. In some examples, one or more of the disclosed compositions are provided in a kit.
