This website presents a comprehensive review of prescription and over-the-counter drugs including information on common uses and potential side effects. It also provides updates relating to new drugs on the market, support from health professionals, and a drug-drug interactions checker. National Heart Lung and Blood Institute. (2007). Expert panel report 3 (EPR3): Guidelines for the diagnosis and management of asthma. Retrieved from http://www.nhlbi.nih.gov/guidelines/asthma/asthgdln.htm