The invention relates to pharmaceutical active substances, active substance mixtures and formulations for use as an aerosol in propellant-containing [1.1.1.2-tetrafluoroethane (HFC-134a) or 1.1.1.2.3.3.3-heptafluoropropane(HFC-227)] metered-dose aerosols and the metered-dose aerosols for administering these active substances, active substance mixtures and formulations.