240 mikrogram (6 doser af hver 10 minutters varighed) pr. time men i alt maksimum 80 doser i løbet af et døgn.
IONSYS delivers 40 micrograms per on-demand dose up to a maximum of 240 micrograms (6 doses each of 10 minutes duration) per hour but not more than a maximum of 80 doses within a 24 hour period.