Zuclopenthixol is primarily used in the treatment of psychiatric disorders, particularly schizophrenia and other psychotic conditions. It helps manage symptoms such as hallucinations, delusions, and disorganized thinking by acting as an antipsychotic agent. It is also effective in controlling aggressive or agitated behavior in patients with severe mental health issues. Additionally, zuclopenthixol is sometimes prescribed for the management of acute manic episodes in bipolar disorder. Its long-acting formulation, zuclopenthixol decanoate, is often used for maintenance therapy to prevent relapse in patients with chronic psychotic disorders, ensuring consistent therapeutic effects over time.