overprescribe
verb [ T ] uk/ˌəʊ.və.prɪˈskraɪb/ us/ˌoʊ.vɚ.prɪˈskraɪb/
（没有必要地）开药过于频繁
to prescribe (= give as a medical treatment) a particular drug too often, when it is not necessary
Despite many warnings, antibiotics are still overprescribed. 尽管已有很多警告，抗生素还是被开得过多。