Product image of Neurocil (Levomepromazine Maleate) supplied by GNH India

Neurocil

Active Ingredient:
Levomepromazine Maleate
Origin:
EU

Neurocil (Levomepromazine Maleate)

Levomepromazine maleate, the active ingredient in Neurocil, is a phenothiazine presented as an oral formulation for oral use. It is used to manage schizophrenia, severe agitation, nausea, vomiting, and for palliative sedation in appropriate patients.

GNH India supplies Neurocil as a licensed, GDP-compliant international pharmaceutical supplier serving hospitals, pharmacies and clinics worldwide.

Manufacturer / TM Owner

Desitin Arzneimittel Gmbh

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Indications & Clinical Uses

  • Levomepromazine is a phenothiazine antipsychotic that acts on dopamine pathways and is employed in several clinical situations.
  • Schizophrenia: reduction of psychotic symptoms such as hallucinations and delusions.
  • Severe agitation: calming effect to control extreme restlessness and aggression.
  • Nausea and vomiting: control of refractory nausea when other agents are ineffective.
  • Palliative sedation: provision of deep sedation for end‑of‑life comfort in terminal patients.

How It Works

  • Levomepromazine maleate blocks dopamine D2 receptors, reducing dopaminergic neurotransmission that underlies psychotic symptoms. It also antagonizes histamine H1, muscarinic acetylcholine, and alpha‑adrenergic receptors, contributing to its sedative, anti‑emetic, and antihypertensive properties. These combined actions modulate multiple central nervous system pathways, producing antipsychotic and palliative effects.

Side Effects

Levomepromazine may cause a range of adverse reactions that vary in frequency and severity.

Common Side Effects

  • Sedation or drowsiness.
  • Orthostatic hypotension leading to dizziness.
  • Dry mouth and reduced salivation.
  • Constipation.
  • Extrapyramidal symptoms such as tremor or rigidity.

Serious or Rare Side Effects

  • Neuroleptic malignant syndrome, a life‑threatening reaction.
  • Torsades de pointes or other serious cardiac arrhythmias.
  • Severe hypotension or syncope.
  • Agranulocytosis or severe blood dyscrasias.
  • Seizures, especially at high doses.

Precautions & Warnings

  • When prescribing Levomepromazine, clinicians should observe several safety measures.
  • Cardiovascular assessment: monitor blood pressure and heart rate for orthostatic changes.
  • Extrapyramidal monitoring: watch for early signs of movement disorders.
  • Hepatic/renal function: adjust use in patients with impaired metabolism or excretion.
  • Elderly caution: increased sensitivity to sedation and hypotension.
  • Avoid abrupt discontinuation: taper to reduce withdrawal effects.
  • Store at room temperature: keep in the original packaging, protect from moisture and direct sunlight.

Avoid Interactions

Levomepromazine can interact with a variety of medicines, requiring careful management.

Major Interactions (Avoid)

  • CNS depressants (e.g., barbiturates, benzodiazepines) may enhance sedation.
  • Anticholinergic drugs can increase anticholinergic burden.
  • QT‑prolonging agents (e.g., quinidine, haloperidol) raise risk of arrhythmia.
  • MAO inhibitors may cause hypertensive crises.
  • Lithium can increase neurotoxicity.

Moderate Interactions (Monitor Closely)

  • Antihypertensive agents may potentiate hypotension.
  • Antidiabetic medications may require dose adjustment due to altered glucose control.
  • CYP450 inhibitors or inducers can modify levomepromazine plasma levels.
  • Alcohol consumption can increase central nervous system depression.
  • Concomitant use with other antipsychotics may heighten extrapyramidal risk.

Frequently Asked Questions

Neurocil, containing levomepromazine maleate, is prescribed for schizophrenia and other psychotic disorders, severe agitation, refractory nausea and vomiting, and as a palliative sedative in end‑of‑life care. These uses reflect its ability to block dopamine, histamine, and other receptors that influence mood, perception, and gastrointestinal function.

Levomepromazine acts primarily as a dopamine D2 receptor antagonist, reducing dopaminergic activity that contributes to psychosis. It also blocks histamine H1, muscarinic, and alpha‑adrenergic receptors, providing sedation, anti‑emetic effects, and blood‑pressure lowering. The combined receptor blockade modulates several central nervous system pathways, producing its therapeutic actions.

The dosage of Neurocil is individualized by the prescribing clinician based on the specific indication, patient age, weight, renal and hepatic function, and response to therapy. Physicians determine the appropriate starting dose and titration schedule, and patients should follow the prescribed regimen without alteration.

Safety data for levomepromazine in pregnancy and lactation are limited. It should only be used if the potential benefit justifies any possible risk to the fetus or infant. Women who are pregnant, planning to become pregnant, or breastfeeding should discuss risks and alternatives with their healthcare provider.

To request Neurocil, visit the product page on gnhindia.com, enter the required quantity, and submit the enquiry form. GNH India works with hospitals, pharmacies, and procurement teams worldwide, verifies trade or institutional credentials, and then provides pricing, availability, shipping details (including any cold‑chain requirements), and necessary import documentation.

Neurocil belongs to the typical antipsychotic class (phenothiazines) and differs from atypical agents by having stronger dopamine D2 blockade and a higher propensity for extrapyramidal symptoms. It offers additional antihistaminic and anti‑emetic properties, making it useful for nausea control and palliative sedation, whereas many atypicals focus more on metabolic side‑effect profiles.

Neurocil should be stored at room temperature, below 25 °C, in its original packaging to protect it from moisture and light. Keeping the product in a dry, temperature‑controlled environment helps maintain its stability and potency throughout its shelf life.

Neurocil is supplied as an oral formulation and is taken by mouth with or without food, as directed by the prescriber. The tablet should be swallowed whole with water; crushing or chewing may affect absorption and should be avoided unless specifically instructed by a healthcare professional.

The most serious risks include neuroleptic malignant syndrome, a rare but life‑threatening reaction characterized by fever, muscle rigidity, and autonomic instability; severe cardiac arrhythmias such as torsades de pointes; agranulocytosis leading to infection risk; and profound hypotension or syncope. Immediate medical attention is required if any of these occur.

Neurocil is contraindicated in patients with known hypersensitivity to levomepromazine or other phenothiazines, those with a history of neuroleptic malignant syndrome, and individuals with severe cardiovascular disease where orthostatic hypotension could be hazardous. Caution is also advised for patients with uncontrolled epilepsy, severe liver or kidney impairment, and for those taking interacting medications listed under major interactions.

Published by

GNH India Pharmaceuticals Limited

Licensed pharmaceutical supplier

Last updated:

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