Aerosol delivery device with completed dosage indicator

A medication delivery system comprising:

• a chamber housing defining an interior volume and comprising an inlet adapted to receive a dosage of medicament and an outlet spaced apart from the inlet, wherein the inlet and outlet are in fluid communication with the interior volume;
• a flow channel in fluid communication with the interior volume;
• and
• a dosage indicator translatable in the flow channel from a pre-inhalation position to a complete dosage position, wherein a positioning of the dosage indicator in the complete dosage position indicates a complete administration of the dosage of medicament through the outlet, wherein the dosage indicator is visible through the flow channel as the dosage indicator is translated between the pre-inhalation position and the complete dosage position.