A compliance monitoring module for a breath-actuated inhaler comprising : a miniature pressure sensor, a sensor port of said sensor being pneumatically coupled to a flow channel through which a user can inhale； a processor configured to: receive a signal originating from a dosing mechanism of the inhaler indicating that medication has been released； receive data from a sensing element of the sensor； and based on said signal from said dosing mechanism and said data from said sensing element, make a determination that inhalation of a breath containing medication through said flow channel complies with one or more predetermined requirements for successful dosing； and a transmitter configured to, responsive to said determination, issue a dosing report.
