Wednesday , 27 October 2021

Inhalers: Back to the Future

ABOUT AUTHOR
M Saritha, Srinivasa Rao Y, Babji Movva*
Department of Pharmaceutics,
Vignan Institute of Pharmacentical Technology, Duvvada, Gajuwaka, Visakhapatnam, A.P, India-530046

Abstract
An inhaler is a device holding a drug that you take by breathing in (inhaling). This allows the drug to be delivered directly into the lungs where it is needed, meaning that people need much smaller doses than if the drug was taken by mouth. Inhalers were developed in the 1778 by an English physician named John Mudge and were associated with lung complaints. It wasn’t until the 20th century that they became connected with asthma treatment. Today varieties of dosage forms are employed for different indications and demographics including pressurized or propellant-driven metered dose inhalers, dry powder inhalers, and nebulizers/nebules. Research and development in this field has shown remarkable innovation in the past decade. Important new drug products for the treatment of asthma, chronic obstructive pulmonary disease, cystic fibrosis, diabetes, and a range of neurological disorders have been developed. New devices in each of the dosage form categories also have been developed, and new formulation technologies have been adopted.
Key words: Inhaler, metered dose inhalers, dry powder inhalers, nebulizers  

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