May be taken with or without food: Swallow whole, do not break/chew/dissolve.
Hypersensitivity to adrenergic agents or to other drugs of similar chemical structure. Patients receiving MAOI therapy or w/in 14 days of discontinuing such treatment. Narrow-angle glaucoma, urinary retention, severe HTN or CAD; hyperthyroidism. History of difficulty in swallowing tab; upper GI narrowing or abnormal esophageal peristalsis.