Figure 2. Stepwise Approach for Managing Asthma.
Adapted from the EPR-3. Expert panel report 3: guidelines for the diagnosis and management of asthma (EPR-3 2007) NIH Publication Number 08-5846. Bethesda, MD: U.S. Department of Health and Human Services; National Institutes of Health; National Heart, Lung, and Blood Institute; National Asthma Education and Prevention Program, 2007.