Can aripiprazole (atypical antipsychotic) cause hallucinations?

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Last updated: April 10, 2025View editorial policy

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From the Guidelines

Aripiprazole can cause hallucinations as a side effect, although it is used to treat conditions involving hallucinations. When considering the potential for aripiprazole to cause hallucinations, it's essential to weigh the benefits against the risks, particularly in vulnerable populations such as the elderly with dementia-related psychosis. The evidence from studies on delirium management, such as those discussed in the Annals of Oncology 1, highlights the complex nature of neuropsychiatric side effects associated with antipsychotic medications, including aripiprazole. Key points to consider include:

  • Aripiprazole's mechanism as a partial agonist at dopamine receptors, which can lead to excessive dopamine stimulation in certain brain regions, potentially causing hallucinations.
  • The importance of monitoring patients, especially when starting the medication, changing dosages, or in populations more susceptible to neuropsychiatric side effects.
  • The need for immediate healthcare provider contact if hallucinations or other concerning side effects occur, as this may necessitate dosage adjustment or a change in medication. Given the potential for hallucinations and other neuropsychiatric side effects, it is crucial to use aripiprazole judiciously and under close supervision, particularly in real-life clinical practice where the balance between efficacy and safety is paramount.

From the Research

Aripiprazole and Hallucinations

  • There is no direct evidence in the provided studies that aripiprazole causes hallucinations 2, 3, 4, 5, 6.
  • The studies focus on the effectiveness, safety, and tolerability of aripiprazole in treating various psychiatric disorders, including schizophrenia, bipolar disorder, and major depressive disorder.
  • Common side effects of aripiprazole mentioned in the studies include extrapyramidal symptoms, akathisia, and weight gain, but hallucinations are not specifically reported as a side effect 3, 4, 6.
  • Aripiprazole's mechanism of action, which includes partial agonism at dopamine D2 and serotonin 5-HT1A receptors, may contribute to its therapeutic effects, but its potential to cause hallucinations is not discussed in the provided studies 3, 4.

Professional Medical Disclaimer

This information is intended for healthcare professionals. Any medical decision-making should rely on clinical judgment and independently verified information. The content provided herein does not replace professional discretion and should be considered supplementary to established clinical guidelines. Healthcare providers should verify all information against primary literature and current practice standards before application in patient care. Dr.Oracle assumes no liability for clinical decisions based on this content.

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