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