Extrapyramidal symptoms. Tardive dyskinesia (on long-term therapy). Involuntary movements of extremities may also occur. Dry mouth, constipation, urinary retention, mydriasis, agitation, insomnia, depression and convulsions; postural hypotension, ECG changes. Allergic skin reaction, amenorrhoea, gynaecomastia, weight gain. Hyperglycaemia and raised serum cholesterol.
Potentially Fatal: Agranulocytosis. Instantaneous deaths associated with ventricular tachyarrhythmias. Marked elevation of body temperature with heat stroke. Neuroleptic malignant syndrome, extrapyramidal dysfunction.