Commonly: Sedation, wt gain, reversible neutropenia, eosinophilia, tachycardia, orthostatic hypotension, dizziness, hypersalivation at night, headache, nausea, vomiting, constipation, urinary incontinence and retention, fatigue, transient fever, abnormalities of glucose homoeostasis and the onset of DM, obsessive compulsive symptoms. Rarely: Anaemia, thrombocytopenia, thrombocythaemia, extrapyramidal disorders including tardive dyskinesia, circulatory collapse w/ cardiac and resp arrest, HTN, dysphagia, parotid gland enlargement, confusion, delirium, thromboembolism, acute pancreatitis, hepatitis and cholestatic jaundice. Potentially Fatal: Agranulocytosis, myocarditis, cardiomyopathy, cardiac arrhythmias, pericarditis/pericardial effusion, neuroleptic malignant syndrome, pulmonary embolism, lower resp tract infection.