Trifluoperazine Dihydrochloride is a synthetic phenothiazine derivative classified as a typical antipsychotic agent. As a specialty chemical, it serves as an active pharmaceutical ingredient (API), reference standard, and reagent in biochemical and pharmacological research, including studies on dopamine receptor antagonism and neurotransmitter modulation. Clinically, it is primarily used to treat schizophrenia and other psychotic disorders, managing symptoms such as hallucinations, delusions, and disorganized thinking by affecting the balance of certain neurotransmitters in the brain. Additionally, it is sometimes prescribed to control severe anxiety or agitation in non-psychotic conditions. In some cases, it may also be used to manage nausea and vomiting, particularly when other treatments are ineffective. The medication is typically administered orally, and its dosage is carefully adjusted based on the patient’s response and tolerability. Regular monitoring is essential to manage potential side effects, such as drowsiness, dizziness, or movement disorders.