The invention relates to a dose unit for a dry powder inhaler comprising: - a dose carrier including a plurality of pockets (17) each adapted to contain a dose of medication powder suitable for inhalation, said pockets being sequentially arranged such that the content of the pockets (17) can be sequentially exposed to a flow of air for successive inhalations and - a plurality of medication powder doses (X) arranged in pockets (17) of the dose carrier (15). The doses are regularly distributed in the pockets according to a sequence of identical groups, each group including at least one blank pocket (B) and one pocket containing a dose of medication powder (X). The invention also relates to a pack (105) comprised of one such dose unit (105a) and one further dose unit (105b) with all pockets containing a medication powder (Y). The invention further relates to a dry powder inhaler including such a pack (105) of dose units.