The subject invention provides a powder inhaler enabling the user to complete powder drug inhalation with fewer steps, for improved user convenience. A powder inhaler of the present invention comprises:
a housing 1A having an admission port 2f on one end;
a supplier having a drug-discharging hole, provided inside the housing 1A with a capacity sufficient to contain plural doses of a fine powder drug;
a drug carrier having a measurement concave portion for receiving a single dose of a drug from the drug-discharging hole, the drug carrier being supported inside the housing 1A while being movable between a drug-receiving position for allowing drug supply from the drug-discharging hole to the measurement concave portion, and a drug-inhalation position for allowing drug inhalation from the measurement concave portion through the admission port;
a cover cap C2 pivotably mounted to the housing 1A; and
a vibrating means 60 brought into operation by pivoting the cover cap C2 so as to vibrate the supplier.
