May affect ability to drive or operate machinery. May worsen hyperthyroidism, coronary artery disease, congestive heart failure, prostatic hypertrophy, arrhythmias, tachycardia. Pregnancy; lactation; elderly; autonomic neuropathy; hiatus hernia with reflux esophagitis, hepatic and renal impairment.
Lactation: not known if excreted in breast milk, use caution