This video briefs us about the metered-dose inhaler type, its usage and its consequences, together with the puffing techniques related to its use. TIMELINE: 0:00 Introduction 0:09 Inhaler as a medicine 0:22 Metered-dose inhaler 1:02 Components of the inhaler 1:14 Process of metered-dose inhaler usage 1:30 Referring to the manual attached to the inhaler 2:30 Puffing techniques associated with these inhalers 3:01 Inhalers role in controlling lungs related symptoms