It refers to a procedure for the development of inhalable drug ingredients, which includes the following steps: (a) heating a suspension of active drug euthanasia ingredients, such as inhaled glucococci, type B 2 stimulants, anti linear agents or combinations thereof, In liquefaction propulsion, such as hydrofluorocarbons (HFA)； and (b) vaporize propellant by collecting the resulting dust. He also mentioned a pharmacological formulaSe refiere a un procedimiento para preparar un ingrediente farmaceutico inhalable que comprende las siguientes etapas: a) calentar una suspension de un ingrediente farmaceutico activo tal como un glucocorticosteroide inhalado, un agonista beta-2, un agente anticolinergico o una combinacion de los mismos, en un propelente licuado tal como un hidrofluoroalcano (HFA)； y b) evaporar el propelente recogiendo el polvo resultante. Tambien se refiere a una formulacion farmaceutica
