Dry Powder Inhaler (DPI) Make an Appointment Ask a Question Search Conditions Reviewed by Ann Mullen, RN, CNS, AE-C, CDE, TTS (November 01, 2016) Several medicines for chronic lung diseases like asthma or COPD are now delivered in a dry powder inhaler. Since the medicines are dry powder, they must be delivered in a special inhaler. When you inhale fast enough the medicine is released. The basic technique for using a dry powdered medication is: Exhale away from device Put mouthpiece in your mouth Breathe in quickly Dry powder inhalers include: You can read more about how to use some of the more common dry powder inhalers by clicking on each one below: Aerolizer® Diskus® Ellipta™ Flexhaler® Handihaler® Neohaler® Pressair™ Rotahaler® Turbuhaler® Twisthaler®