Formulations of pirfenidone or pyridone analog compounds for aerosolization and use of such formulations for aerosol administration of pirfenidone or pyridone analog compounds for the prevention or treatment of various fibrotic and inflammatory diseases, including disease associated with the lung, heart, kidney, liver, eye and central nervous system. Pirfenidone or pyridone analog compound formulations and delivery options allow for efficacious local delivery of pirfenidone or pyridone analog compound. Compositions include formulations, kits, and devices. Methods include inhalation procedures, indications and manufacturing processes for production and use of the compositions described.
