Decreased appetite, anorexia; insomnia, anxiety, initial insomnia, depressed mood, restlessness, agitation, nervousness, bruxism, depression, affect lability, decreased libido, panic attack, tension, aggression, confusional state; headache, dizziness, tremor, paresthesia, tension headache; accommodation disorder, blurred vision; vertigo; tachycardia, palpitations; HTN, hot flush; oropharyngeal pain, cough, dyspnea; dry mouth, nausea, dyspepsia, vomiting, constipation; hyperhidrosis; muscle tightness & spasms; erectile dysfunction; irritability, fatigue, thirst, asthenia; decreased wt, increased heart rate, BP & ALT; tic, mood swings; somnolence; diarrhea, abdominal discomfort & pain; rash; feeling jittery.