Dry Powder Inhalers This small device is similar to a metered dose inhaler (MDI), but the drug is in powder form. The patient exhales out a full breath, places the lips around the mouthpiece, then quickly breathes in the powder. Note that the technique is different than for MDIs -- dry powder inhalers do not require the timing and coordination that are necessary with MDIs. There are other important differences, so make sure that you …showed first 75 words of 1375 total…

…showed last 75 words of 1375 total…Works Cited: Ansel, Allen & Popovich, Pharmaceutical Dosage Forms and Drug Delivery Systems. Baltimore, USA: Lippincott Williams & Wilkins :1999 Greene Ink, Inc., "Dr. Greene.com". Drug Delivery Devices. :2003 <http://www.drgreene.com/21_1343.html> International Journal of Pharmaceutics Volume 220, Issues 1-2 , 4 June 2001, Pages 141-147 Winder, John A. M.D., F.A.C.A.A.I., "Health A to Z". Dry Powder Inhaler. :2003 <http://www.healthatoz.com/healthatoz/Atoz/dc/tp/tpdpi.html>