Asthma quick-relief drugs work fast to control asthma symptoms. You take them when you are coughing, wheezing, having trouble breathing, or having an asthma attack.
Update Date 4/26/2014
Updated by: Denis Hadjiliadis, MD, Associate Professor of Medicine, Pulmonary, Allergy, and Critical Care, Perelman School of Medicine, University of Pennsylvania, Philadelphia, PA. Also reviewed by David Zieve, MD, MHA, Isla Ogilvie, PhD, and the A.D.A.M. Editorial team.