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Antipsychotics (side effects of some conventional antips.)

Last reviewed dd mmm yyyy. Last edited dd mmm yyyy

Authoring team

Early side effects include:

  • halpoperidol: sedation +; extrapyrimidal +++; anticholinergic +

  • thioridazine: sedation ++; extrapyrimidal +; anticholinergic +++

  • chlorpromazine: sedation +++; extrapyrimidal ++; antichoinergic++

  • trifluperazine: sedation +; extrapyrimidal +++; anticholinergic +

low = +; medium = ++; high = +++

Long-term possible side effects include weight gain, tardive dyskinesia, impotence, cardiotoxicity (e.g. prolonged QT interval and ventricular arrhythmias associated with thioridazine) and galactorrhoea.

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