The present invention provides anti-plazomicin antibodies and methods of use thereof,e.g., in determining levels of plazomicin in samples from human patients undergoing treatment with plazomicin. Such antibodies are useful, for example, in monitoring plazomicin levels during treatment for an infectious disease.本發明提供抗哌唑黴素抗體及其使用方法,例如確定來自經受哌唑黴素治療之人類患者之樣品中哌唑黴素之含量。此類抗體適用於例如監測傳染病治療期間之哌唑黴素含量。