Propranolol-Induced Dyspnea in a Nonasthmatic Male

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Abstract
The onset of wheezing and dyspnea was observed in a 32-yr-old, nonasthmatic male who was receiving propranolol for chronic migraine headaches of 20 yr duration. The symptoms first appeared during the cold season; the diagnosis was bronchitis. After 3 mo. without propranolol, the patient prompted by continuing migraine headaches, again took the drug (40 mg bid [2 times/day]). Within 48 h he complained of rhinitis that rapidly progressed to wheezing, resembling bronchitis. Other reports in the literature are discussed.

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