Dizziness, somnolence, ataxia, confusion, asthenia, abnormal thinking, blurred vision, incoordination, peripheral edema, increased appetite, euphoric mood, irritability, decreased libido, tremor, dysarthria, memory impairment, paraesthesia, sedation, balance disorder, lethargy, vertigo, flushing, hot flushes, hypotension, HTN, dry mouth, constipation, flatulence.