Exercise-induced bronchoconstriction (EIB) occurs commonly in patients with asthma but also can affect individuals without asthma. EIB is particularly common in populations of athletes. Common symptoms include cough, dyspnea, chest tightness, and wheezing; however, there can be a variety of more subtle symptoms. In this article, the clinical presentation of EIB as well as the diagnosis and treatment of EIB are outlined.