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.
Review Date 4/17/2018
Updated by: Stuart I. Henochowicz, MD, FACP, Associate Clinical Professor of Medicine, Division of Allergy, Immunology, and Rheumatology, Georgetown University Medical School, Washington, DC. Also reviewed by David Zieve, MD, MHA, Medical Director, Brenda Conaway, Editorial Director, and the A.D.A.M. Editorial team.