A device and a method for controlled administering of a therapeutic composition to a patient. A controlling device for vaporizing and/or spraying a therapeutic composition is described including a power input element configured to connect with and receive power from a power source, a power adjustment device connected to the power input element, and a power output element connected to the power adjustment device and configured to connect with and provide power to a processing element. Optionally a power-storing device configured to couple with said power input element, and an electric transformer configured to couple with said power source can also comprise part of the device. The power output element is also configured to be controlled by the power adjustment device. Articles containing and methods for using the device are also described.