Largactil

Chlorpromazine, the active ingredient in Largactil, is a phenothiazine presented as an oral formulation for systemic use. It is employed to manage schizophrenia, acute psychotic episodes, manic phases of bipolar disorder, severe nausea and vomiting, and as a pre‑operative sedative.

GNH USA supplies Largactil as a licensed, GDP‑compliant international pharmaceutical supplier serving hospitals, pharmacies and clinics worldwide. The company adheres to stringent quality standards and provides reliable logistics for global distribution. Clients benefit from regulatory support and consistent product availability across multiple markets.

Chlorpromazine is used to treat psychiatric and related conditions by modulating dopaminergic pathways.

- Schizophrenia: reduces hallucinations, delusions and thought disorder, helping patients achieve symptom control. - Acute psychotic episodes: rapidly diminishes agitation and psychotic symptoms, facilitating stabilization. - Manic episodes of bipolar disorder: lessens elevated mood, hyperactivity and irritability during mania. - Severe nausea and vomiting: controls emesis when other anti‑emetics are insufficient. - Preoperative sedation: provides calming effect and reduces anxiety before surgical procedures.

Chlorpromazine may cause a range of adverse reactions, varying from mild to severe.

Common Side Effects: - Drowsiness or sedation - Dry mouth - Constipation - Blurred vision - Weight gain - Orthostatic hypotension

Serious or Rare Side Effects: - Extrapyramidal symptoms such as dystonia or parkinsonism - Neuroleptic malignant syndrome - Severe hypotension or cardiac arrhythmias - Agranulocytosis - Hepatotoxicity - Tardive dyskinesia

When prescribing chlorpromazine, clinicians should consider several safety precautions to minimise risks. - Assess cardiovascular status: monitor blood pressure and heart rate for orthostatic changes. - Evaluate hepatic function: adjust use in patients with liver impairment. - Screen for movement disorders: watch for early signs of extrapyramidal symptoms. - Caution in elderly: increased sensitivity to sedation and anticholinergic effects. - Pregnancy and lactation: use only if benefits outweigh potential risks. - Store at ambient temperature: keep below 25 °C in original packaging, protect from moisture.

Chlorpromazine interacts with several medicines; understanding the interaction level helps guide safe co‑administration.

Major Interactions (Avoid): - CNS depressants (e.g., benzodiazepines, opioids): may cause profound sedation or respiratory depression. - Antihypertensive agents: additive hypotensive effect leading to severe blood pressure drops. - Drugs that prolong QT interval: increased risk of cardiac arrhythmias.

Moderate Interactions (Monitor Closely): - Anticholinergic drugs: heightened anticholinergic burden causing confusion or constipation. - CYP2D6 inhibitors (e.g., fluoxetine, paroxetine): may raise chlorpromazine plasma levels. - Lithium: combined use can enhance neurotoxic effects. - MAO inhibitors: risk of hypertensive crisis if used concurrently.