The present invention relates to new pharmaceutical formulations comprising pharmaceutically active agents which can induce one or more involuntary coughs in a patient when administered as conventional formulations and/or via conventional routes. Formulations are provided comprising a cough-inducing pharmaceutically active agent, wherein the formulation may be administered by pulmonary inhalation without inducing a cough. Alternatively, formulations are provided for administering the cough-inducing active agent via an alternative route.