the present invention relates to the delivery of erectile dysfunction drugs through an inhalation route . specifically , it relates to aerosols containing erectile dysfunction drugs that are used in inhalation therapy . in a method aspect of the present invention , an erectile dysfunction drug is delivered to a patient through an inhalation route . the method comprises : a ) heating a composition , wherein the composition comprises an erectile dysfunction drug , to form a vapor ; and , b ) allowing the vapor to cool , thereby forming a condensation aerosol comprising particles with less than 5 % erectile dysfunction drug degradation products . in a kit aspect of the present invention , a kit for delivering an erectile dysfunction drug through an inhalation route is provided which comprises : a ) a thin coating of an erectile dysfunction drug composition and b ) a device for dispensing said thin coating as a condensation aerosol .