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

Levomentis

Active Ingredient:
Levomepromazine Maleate
Origin:
EU

Levomentis (Levomepromazine Maleate)

Levomepromazine, the active ingredient in Levomentis, is a phenothiazine low‑potency typical antipsychotic presented as an oral formulation for oral use. It treats schizophrenia, severe agitation, nausea and vomiting, and is employed in palliative care to control distressing symptoms.

GNH India supplies Levomentis as a licensed, GDP‑compliant international pharmaceutical supplier serving hospitals, pharmacies and clinics worldwide. The company adheres to stringent quality standards and provides reliable sourcing for regulated markets. Clients benefit from comprehensive logistics support, including documentation, customs clearance and temperature‑controlled transport where required.

Manufacturer / TM Owner

Hasco-Lek

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Indications & Clinical Uses

Levomepromazine is a low‑potency phenothiazine antipsychotic used across several clinical pathways.

  • Schizophrenia: reduces psychotic symptoms such as delusions, hallucinations and thought disorder.
  • Severe agitation: calms extreme restlessness and aggressive behavior in acute settings.
  • Nausea and vomiting: blocks central emetic pathways to control chemotherapy‑induced or postoperative emesis.
  • Palliative care: alleviates distressing symptoms including refractory nausea, pain‑related anxiety and insomnia.

How It Works

  • Levomepromazine antagonises dopamine D2 receptors, producing antipsychotic effects, while also blocking histamine H1, muscarinic acetylcholine and alpha‑adrenergic receptors. This combined receptor blockade reduces dopaminergic transmission, provides sedation, anti‑emetic activity and anticholinergic effects, modulating central nervous system pathways involved in mood, emesis and autonomic regulation.

Side Effects

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

Common Side Effects

  • Sedation
  • Dry mouth
  • Constipation
  • Orthostatic hypotension
  • Blurred vision
  • Weight gain

Serious or Rare Side Effects

  • Neuroleptic malignant syndrome
  • Tardive dyskinesia
  • Severe hypotension
  • Cardiac arrhythmias (including QT prolongation)
  • Agranulocytosis
  • Seizures

Precautions & Warnings

When prescribing Levomepromazine, clinicians should observe several precautionary measures to minimise risk.

  • Dose titration: adjust gradually under medical supervision.
  • Cardiovascular monitoring: watch for orthostatic hypotension and arrhythmias.
  • CNS effects: monitor for excessive sedation or confusion.
  • Anticholinergic load: be cautious in elderly patients prone to urinary retention or constipation.
  • Pregnancy and lactation: use only if potential benefits outweigh potential risks.
  • Store at ambient temperature: keep in the original pack, protect from moisture and light.

Avoid Interactions

Levomepromazine can interact with other medicines, altering its safety or effectiveness.

Major Interactions (Avoid)

  • Other CNS depressants: may cause profound sedation or respiratory depression.
  • Antihypertensives: additive hypotensive effect increasing risk of fainting.
  • Anticholinergic drugs: increase anticholinergic burden leading to severe dry mouth, constipation or urinary retention.
  • QT‑prolonging agents: raise risk of cardiac arrhythmia.
  • MAO inhibitors: may precipitate severe hypotension.

Moderate Interactions (Monitor Closely)

  • Antidepressants (SSRIs, SNRIs): may increase risk of serotonin syndrome.
  • Lithium: may enhance neurotoxic effects.
  • Alcohol: enhances sedative effect and impairs coordination.
  • CYP450 inhibitors or inducers: may alter plasma concentrations of levomepromazine.

Frequently Asked Questions

Levomentis contains levomepromazine, which is indicated for the management of schizophrenia and other psychotic disorders, for controlling severe agitation, for treating nausea and vomiting, and for symptom control in palliative‑care settings where distressing symptoms such as refractory nausea or anxiety need relief.

Levomepromazine works by blocking dopamine D2 receptors, which reduces psychotic activity. It also antagonises histamine H1, muscarinic acetylcholine and alpha‑adrenergic receptors, providing sedation, anti‑emetic effects and anticholinergic actions that together help control agitation, nausea and other distressing symptoms.

The appropriate dose of Levomentis is determined by the prescribing clinician based on the individual patient's condition, response, age, renal function and other factors. Dosage regimens are not standardized in public information and must be set by a qualified health‑care professional.

Safety data for levomepromazine during pregnancy and lactation are limited. It should only be used when the potential therapeutic benefit justifies any possible risk to the fetus or infant, and the decision must be made by the treating physician in consultation with the patient.

To request Levomentis, submit an enquiry on the product page at gnhindia.com specifying the required quantity. GNH India works with hospitals, pharmacies and procurement teams worldwide, verifies trade or institutional credentials, and then provides pricing, availability, shipping details (including any temperature‑controlled requirements) and the necessary import documentation.

Levomentis belongs to the phenothiazine class, similar to chlorpromazine. Compared with chlorpromazine, levomepromazine has a broader receptor profile, offering stronger antihistamine and anticholinergic effects, which can provide additional sedation and anti‑emetic benefits but may also increase the likelihood of anticholinergic side effects.

Levomentis should be stored at ambient temperature, below 25 °C, in its original packaging to protect it from moisture and light. Keep the product out of reach of children and avoid exposing it to excessive heat or humidity, which could affect its stability.

Levomentis is administered orally. The tablet (or other oral form) should be swallowed whole with a glass of water, unless the prescriber advises otherwise. It can be taken with or without food, but consistent timing helps maintain stable blood levels.

The most serious risks include neuroleptic malignant syndrome, a potentially fatal reaction characterized by high fever, muscle rigidity and autonomic instability; tardive dyskinesia, which may cause irreversible involuntary movements; severe hypotension and cardiac arrhythmias, especially in patients taking other QT‑prolonging drugs.

Levomentis should be avoided in patients with known hypersensitivity to levomepromazine or other phenothiazines, in those with severe cardiovascular disease prone to arrhythmias, and in individuals with a history of neuroleptic malignant syndrome. Caution is also advised for patients with uncontrolled glaucoma, severe liver impairment, or significant anticholinergic burden.

Published by

GNH India Pharmaceuticals Limited

Licensed pharmaceutical supplier

Last updated:

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