>10%
Dyspnea (21%),Dizziness (20%),Fatigue (20%),Bradycardia (16%),Chest pain (16%),Palpitation (14%),Weakness (13%),Lightheadedness (12%)
1-10%
Nausea/vomiting (10%),Edema (8%),Headache (8%),Sleep disturbances (8%),Abnormal ECG (7%),Diarrhea (7%),Extremity pain (7%),Hypotension (6%),Mental confusion (6%),Congestive heart failure (5%),Itching/rash (5%),Syncope (5%),Anxiety (4%),Depression (4%),Torsades de pointes or new ventricular tachycardia/fibrillation in patients with supraventricular arrhythmia (4%),Peripheral vascular disorders (3%),Impotence (2%),Proarrhythmic effect (1.5-2%),Torsades de pointes with history of sustained ventricular tachycardia (1%)
Frequency Not Defined
Catechol hypersensitivity after abrupt withdrawal,Increased insulin requirement in diabetics
Potentially Fatal: Polymorphic ventricular tachycardia (very rare). Rebound hypertension.