Learn about the methods used to treat auditory hallucinations in patients with schizophrenia: from pharmacological therapy, Cognitive Behavioral Therapy for psychosis (CBTp), to repetitive transcranial magnetic stimulation (rTMS).
This article was written by: Resident Doctor Do Van Duc - Psychiatrist, Integrated Mental Health Care Center - Vinmec Times City International General Hospital.
1. Common Symptoms in Schizophrenia
Schizophrenia is a severe, progressive, chronic psychotic disorder that gradually causes patients to detach from the external world and withdraw into their inner world. This leads to declining academic and occupational functioning, along with strange and difficult-to-understand behaviors and thoughts.
The illness may begin abruptly with acute symptoms or develop slowly and insidiously over months or years. In addition to hallucinations (most commonly auditory hallucinations) and delusions, patients often show social withdrawal, isolation, reduced speech, anxiety, fear, and lack of motivation.
Common symptoms include:
- Auditory hallucinations: Patients hear one or more voices inside their head or from outside. These voices may criticize, command, or comment on the patient’s behavior, or may seem to originate from within parts of the body.
- Delusions: False beliefs that are not consistent with reality but are firmly held by the patient, such as being followed, harmed, monitored, or controlled.
- Disorganized thinking and speech; difficulty concentrating, incoherent or illogical speech.
- Negative symptoms: Social withdrawal, lack of motivation, flattened emotional expression, reduced speech, and neglect of personal care.
2. Auditory Hallucinations in Schizophrenia
Auditory hallucinations are experiences in which a person hears sounds or voices that are not actually present, either coming from outside or inside the head. This is a common clinical symptom that imposes a heavy psychological burden, causing fear, anxiety, perceived threats, or behavioral control by the hallucinated voices.
According to modern research, the mechanism of auditory hallucinations is related to a disruption in the brain’s predictive signaling system. Instead of recognizing inner speech as self-generated thoughts, the brain of patients misinterprets them as external auditory stimuli.
3. Treatment of Auditory Hallucinations
Effective treatment of auditory hallucinations requires a combination of approaches, including medication, psychotherapy, and neuromodulation techniques. The goal is not only symptom reduction but also helping patients regain control of their lives.
Pharmacological treatment
Antipsychotic medications are the cornerstone in treating auditory hallucinations. They work by regulating dopamine levels in the brain.
- Second-generation (atypical) antipsychotics: Medications such as Risperidone, Olanzapine, and Clozapine are commonly preferred due to their effectiveness in treating both positive symptoms (hallucinations, delusions) and negative symptoms, while causing fewer motor side effects compared to older drugs.
- Approximately 25–30% of patients are “treatment-resistant,” meaning auditory hallucinations do not fully improve even with correct dosage and adherence.
Repetitive Transcranial Magnetic Stimulation (rTMS)
For patients with persistent auditory hallucinations, rTMS is a non-invasive and safe method that has shown effectiveness.
- Mechanism: Low-frequency magnetic pulses are targeted at the left temporoparietal cortex (a language-processing region). Reducing abnormal excitability in this area helps decrease the frequency and intensity of auditory hallucinations.
Cognitive Behavioral Therapy for Psychosis (CBTp)
Unlike standard psychological counseling, CBTp helps patients change how they respond to auditory hallucinations:
- Understanding hallucinations correctly: Explain that the voices are only symptoms of the illness, not supernatural entities with power or objective reality.
- Changing responses to auditory hallucinations: Learn not to obey commands, not to be overly frightened, and not to argue with the voices.
- Developing coping strategies: Build strategies to reduce fear and stress when auditory hallucinations occur.
3. Conclusion
Treating auditory hallucinations in people with schizophrenia is a long-term process that requires close coordination among psychiatrists, psychotherapists, family members, and the patient. With advances in modern medicine, combining pharmacotherapy, cognitive behavioral therapy, and repetitive transcranial magnetic stimulation (rTMS), many patients can effectively control their symptoms, reduce fear, and gradually regain control of their lives.
References:
- NCBI - StatPearls: “Auditory Hallucinations: Mechanism and Management”. [NBK557633].
- ScienceDirect: “Advances in Neuromodulation for Auditory Hallucinations” (2024).
- WebMD: “Understanding Auditory Hallucinations in Schizophrenia”.
- The Psychiatrist: “The Role of Corollary Discharge in Psychosis” (2026 update).
- PMC: “Evidence-based pharmacological treatment for Schizophrenia”. [PMC2525988].
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