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.本發明係關於一種用於呼吸驅動吸入器之順從性監控模組,其包括:小型壓力感測器,該感測器之感測器埠係氣動式耦合至流動通道,使用者可通過該流動通道吸氣;處理器,其經構形以:接收源自指示已釋放藥劑之該吸入器之給藥機構的信號;接收來自該感測器之感測元件之資料;及基於來自該給藥機構之該信號及來自該感測元件之該資料,作出通過該流動通道之含有藥劑之呼吸吸氣遵守成功給藥之一或多個預定要求之判定;及經構形以回應於該判定發佈給藥報告之傳輸器。