Hypotension, bradycardia, QT interval prolongation, ventricular arrhythmias eg, torsades de pointes, ventricular tachycardia which may result to ventricular fibrillation or cardiac arrest, sudden death, venous thromboembolism eg, cases of pulmonary embolism & DVT. Allergic reaction, angioedema, urticaria. Wt gain, increased plasma prolactin levels which may result in galactorrhea, amenorrhea, gynecomastia, breast pain, orgasmic dysfunction & impotency; hyperglycemia. Constipation, nausea, vomiting, dry mouth. Hepatic enzymes elevations. Insomnia, anxiety, agitation, somnolence, extrapyramidal symptoms (eg, tremor, rigidity, hypokinesia, hypersalivation, akathisia, dyskinesia), acute dystonia (eg, spasm torticollis, oculogyric crisis, trismus), tardive dyskinesia (characterized by rhythmic, involuntary movements primarily of the tongue &/or face), NMS, seizures.