The present invention relates generally to iontophoretic drug delivery systemsfor transdermal delivery of therapeuticagents and, more particularly, to packaging such systems for long shelf lifeand easy assembly for use. The system package includesan iontophoretic skin worn patch component that accommodates a power source,electronics, electrodes and a drug packcomponent that carries a therapeutic agent which is contained as a separatesealed component. The packaged system further providesfor ease of assembly at the time of use.