>10%
Constipation (24-46%),Nausea (24-40%),Dizziness (10-33%),Vertigo (26-33%),Headache (18-32%),Somnolence (7-25%),Vomiting (9-17%),Agitation (7-14%),Anxiety (7-14%),Emotional lability (7-14%),Euphoria (7-14%),Hallucinations (7-14%),Nervousness (7-14%),Spasticity (7-14%),Dyspepsia (5-13%),Asthenia (6-12%),Pruritus (8-11%)
1-10%
Diarrhea (5-10%),Dry mouth (5-10%),Sweating (6-9%),Hypertonia (1-5%),Malaise (1-5%),Menopausal symptoms (1-5%),Rash (1-5%),Urinary frequency (1-5%),Urinary retention (1-5%),Vasodilation (1-5%),Visual disturbance (1-5%)
<1%
Abnormal gait,Amnesia,Cognitive dysfunction,Depression,Difficulty in concentration,Dysphoria,Dysuria,Fatigue,Hallucinations,Menstrual disorder,Motor system weakness,Orthostatic hypotension,Paresthesia,Seizures,Suicidal tendencies,Syncope,Tachycardia,Tremor
Frequency Not Defined
Abnormal electrocardiogram (ECG),Angioedema,Bronchospasm,Flushing,Hypertension,Hypotension,Myocardial ischemia,Palpitation,Urticaria,Withdrawal syndrome
Potentially Fatal: Respiratory depression.