Headache, abnormal dreams, decreased libido, dizziness, dry mouth, increased muscle tonus, insomnia, nervousness, paresthesia, sedation, tremor, confusion, depersonalization, asthenia, fatigue, HTN, vasodilatation, palpitations, stress cardiomyopathy, increased serum cholesterol, wt loss, sweating, accommodation abnormality, mydriasis, visual disturbances, abnormal ejaculation/orgasm (males), anorgasmia, erectile dysfunction, menstrual disorders, impaired urination, increased urinary frequency, yawning, decreased appetite, constipation, nausea, vomiting, chills.