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Psychotic exacerbation with haloperidol.

F L Tornatore, D Lee, J J Sramek

    Drug Intelligence & Clinical Pharmacy
    |March 1, 1981
    PubMed
    Summary
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    Increasing haloperidol dosage worsened schizophrenic symptoms in a patient, suggesting a potential "therapeutic window" for neuroleptic medications. This rare exacerbation highlights the need to consider alternative causes for symptom worsening.

    Area of Science:

    • Psychiatry
    • Pharmacology

    Background:

    • Schizophrenia treatment often involves antipsychotic medications like haloperidol.
    • Dosage adjustments are common, but paradoxical effects are rarely reported.

    Observation:

    • A patient experienced worsening schizophrenic symptoms after haloperidol dosage increases.
    • This psychotic exacerbation is unusual and infrequently documented in medical literature.

    Findings:

    • The case suggests neuroleptic medications, similar to some antidepressants, might have a "therapeutic window."
    • This implies that exceeding an optimal dosage can lead to adverse effects like symptom worsening.

    Implications:

    • Clinicians should consider the possibility of a therapeutic window when adjusting haloperidol dosages.

    Related Experiment Videos

  • Differential diagnosis for worsening psychosis must include akathisia and anticholinergic psychosis.