GNH USA

Europe — EMA

Largactil Im

GNH USA supplies Largactil Im (Chlorpromazine), a phenothiazine antipsychotic for schizophrenia, acute psychosis and severe agitation. Request a quote.

Chlorpromazine Hydrochloride

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1
Pack/s

What is Chlorpromazine Hydrochloride?

Chlorpromazine, the active ingredient in Largactil Im, is a phenothiazine presented as an intramuscular preparation for injection use. It is employed to manage schizophrenia, acute psychotic episodes, severe agitation, and nausea or vomiting, providing antipsychotic and antiemetic effects in adult patients and is available in multiple dosage strengths for clinical flexibility.

GNH USA supplies Largactil Im 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.

What is Chlorpromazine Hydrochloride used for?

Chlorpromazine is used in the treatment of several psychiatric and gastrointestinal conditions by modulating dopaminergic pathways.

Schizophrenia: reduces psychotic symptoms and stabilizes mood. Acute psychotic episodes: rapidly controls agitation and hallucinations. Severe agitation: calms extreme restlessness and aggressive behavior. Nausea and vomiting: acts as an antiemetic to relieve chemotherapy‑induced or postoperative nausea.

What are the side effects of Chlorpromazine Hydrochloride?

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

Common Side Effects: - Sedation or drowsiness - Orthostatic hypotension - Dry mouth and constipation - Extrapyramidal symptoms such as tremor or rigidity - Blurred vision

Serious or Rare Side Effects: - Neuroleptic malignant syndrome - Severe cardiac arrhythmias or QT prolongation - Agranulocytosis - Tardive dyskinesia - Seizures

What precautions apply to Chlorpromazine Hydrochloride?

When prescribing chlorpromazine, clinicians should observe several safety measures to minimize risks.

Monitor blood pressure: watch for orthostatic hypotension, especially after first doses. Assess for extrapyramidal symptoms: regular neurological examinations. Evaluate cardiac status: ECG monitoring for QT prolongation. Use caution in elderly: increased susceptibility to sedation and falls. Avoid abrupt discontinuation: taper dose to prevent withdrawal. Store at ambient temperature: keep in the original pack, protect from moisture and light.

What does Chlorpromazine Hydrochloride interact with?

Chlorpromazine interacts with several drug classes, requiring careful management to avoid harmful effects.

Major Interactions (Avoid): - CNS depressants (e.g., barbiturates, opioids) – additive sedation. - Antiarrhythmics (e.g., quinidine) – increased risk of arrhythmia. - QT‑prolonging agents (e.g., haloperidol) – heightened cardiac risk. - MAO inhibitors – severe hypotension. - Anticholinergic agents – excessive anticholinergic burden.

Moderate Interactions (Monitor Closely): - Antihypertensives – enhanced hypotensive effect. - Antidiabetic agents – may mask hypoglycemia. - Alcohol – increased sedation. - CYP1A2 inhibitors (e.g., fluvoxamine) – raise chlorpromazine levels. - CYP2D6 substrates (e.g., metoprolol) – altered metabolism.

Frequently asked questions

What is Largactil Im used for?+
Largactil Im contains chlorpromazine, a phenothiazine typical antipsychotic administered by intramuscular injection. It is indicated for the management of schizophrenia, acute psychotic episodes, severe agitation, and as an antiemetic for nausea and vomiting, particularly when rapid symptom control is required.
How does chlorpromazine work?+
Chlorpromazine exerts its therapeutic effect primarily by blocking dopamine D2 receptors in the brain, which reduces dopaminergic activity responsible for psychotic symptoms. In addition, it antagonizes histamine H1, muscarinic acetylcholine, and alpha‑adrenergic receptors, producing sedation, anticholinergic effects, and vasodilation that contribute to its overall clinical profile.
What is the usual dose of Largactil Im?+
The dosage of Largactil Im is determined by the prescribing clinician based on the patient’s condition, severity, age, and response to therapy. The prescriber will select an appropriate strength and frequency, typically administered as a single intramuscular injection or repeated doses as clinically indicated.
Is Largactil Im safe to use during pregnancy or breastfeeding?+
Safety data for chlorpromazine in pregnancy and lactation are limited. It is generally classified as a drug to be used only if the potential benefit justifies the potential risk to the fetus or infant. Women who are pregnant, planning pregnancy, or breastfeeding should discuss risks and alternatives with their healthcare provider.
How do I order Largactil Im from GNH USA?+
To place an order, submit an enquiry on the product page at gnh-usa.com, specifying the required quantity of Largactil Im. GNH USA works with hospitals, pharmacies, and procurement teams worldwide, verifies trade or institutional credentials, and then provides pricing, availability, shipping details, and any necessary import documentation.
How does Largactil Im compare with other antipsychotics?+
Compared with newer atypical antipsychotics, chlorpromazine has a broader receptor profile, affecting dopamine, histamine, muscarinic, and adrenergic systems, which can result in a higher incidence of sedation and anticholinergic side effects. However, it remains an effective, cost‑efficient option for acute symptom control, especially when rapid intramuscular administration is needed.
How should Largactil Im be stored?+
Largactil Im should be stored at ambient temperature, preferably below 25 °C, in its original packaging. The container should be kept away from moisture, direct sunlight, and extreme temperature fluctuations to maintain product stability and potency until the point of use.
How is Largactil Im administered?+
Largactil Im is administered by deep intramuscular injection, typically into the gluteal muscle. The injection should be performed by a qualified healthcare professional using aseptic technique. The volume and concentration of the dose are determined by the prescriber, and the injection site should be rotated if multiple doses are required.
What are the most serious risks associated with Largactil Im?+
The most serious adverse reactions include neuroleptic malignant syndrome, severe hypotension, cardiac arrhythmias such as QT prolongation, agranulocytosis, tardive dyskinesia, and seizures. Patients should be monitored closely for signs of these conditions, and immediate medical attention is required if they occur.
Who should not use Largactil Im?+
Largactil Im is contraindicated in patients with known hypersensitivity to chlorpromazine or any phenothiazine, those with severe central nervous system depression, and individuals with a history of malignant hyperthermia. Caution is also advised in patients with uncontrolled cardiovascular disease, glaucoma, or severe hepatic impairment.
Information provided on this page is for educational use by procurement and clinical professionals. Always consult a licensed healthcare provider for medical advice and prescribing decisions. GNH USA supplies this product subject to applicable regulatory and licensing requirements.

Product details

Drug
Chlorpromazine Hydrochloride
Route
Intramuscular Use
Manufacturer
Faes Farma Portugal, S.A.
Origin
EU

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