Clopenthixol
Clopenthixol[edit | edit source]
Clopenthixol is a typical antipsychotic medication belonging to the class of thioxanthene derivatives. It is primarily used in the treatment of schizophrenia and other psychotic disorders. Clopenthixol is known for its efficacy in managing symptoms such as delusions, hallucinations, and thought disorders.
Pharmacology[edit | edit source]
Clopenthixol acts as an antagonist at various neurotransmitter receptors, including the dopamine D2 receptors, which is believed to contribute to its antipsychotic effects. By blocking these receptors, clopenthixol reduces the overactivity of dopamine pathways in the brain, which is a characteristic feature of psychotic disorders.
Clinical Use[edit | edit source]
Clopenthixol is used in the management of acute and chronic psychoses, particularly in patients with schizophrenia. It is available in different formulations, including oral tablets and long-acting injectable forms, which provide flexibility in treatment regimens. The choice of formulation depends on the clinical scenario and patient compliance.
Dosage and Administration[edit | edit source]
The dosage of clopenthixol varies depending on the formulation and the severity of the condition being treated. Oral doses are typically administered daily, while the injectable form may be given every two to four weeks. It is important to adjust the dose based on the patient's response and tolerance to the medication.
Side Effects[edit | edit source]
Common side effects of clopenthixol include sedation, dry mouth, constipation, and orthostatic hypotension. Like other typical antipsychotics, it may also cause extrapyramidal symptoms such as tremor, rigidity, and akathisia. Long-term use can lead to tardive dyskinesia, a potentially irreversible movement disorder.
Mechanism of Action[edit | edit source]
Clopenthixol primarily exerts its effects by blocking dopamine D2 receptors in the brain. This action reduces the positive symptoms of schizophrenia, such as hallucinations and delusions. Additionally, clopenthixol has some affinity for other receptors, including serotonin and histamine receptors, which may contribute to its side effect profile.
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