Sedation, inability to concentrate, lassitude, dizziness, incoordination, GI disturbances eg nausea, vomiting, diarrhoea, constipation, anorexia, increased appetite, epigastric pain, somnolence, blurred vision, difficulty in micturition, dysuria, dry mouth, tightness of chest, muscular weakness, headache, euphoria, wt gain, perspiration, allergic reactions.