Product image of Memantine Hydrochloride Lupin (Memantine Hydrochloride) supplied by GNH India

Memantine Hydrochloride Lupin

Active Ingredient:
Memantine Hydrochloride
Origin:
EU

Memantine Hydrochloride Lupin (Memantine Hydrochloride)

Memantine Hydrochloride, the active ingredient in Memantine Hydrochloride Lupin, is a NMDA receptor antagonist presented as a tablet for oral use. It is indicated for the treatment of moderate to severe Alzheimer’s disease in adult patients, helping to reduce excitotoxic neuronal damage and support cognitive function. The product complies with European Union pharmaceutical standards and is manufactured under GMP conditions.

GNH India supplies Memantine Hydrochloride Lupin as a licensed, GDP‑compliant international pharmaceutical supplier serving hospitals, pharmacies and clinics worldwide. The company provides regulatory documentation and supports import requirements for global distribution.

Manufacturer / TM Owner

Lupin Healthcare (Uk) Limited

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Indications & Clinical Uses

Memantine Hydrochloride is used in the management of Alzheimer’s disease, targeting glutamatergic neurotransmission to improve cognitive outcomes.

  • Moderate to severe Alzheimer’s disease: improves cognition, daily functioning, and behavioral symptoms in adult patients.
  • Combination therapy with cholinesterase inhibitors: enhances overall therapeutic effect when used alongside donepezil or rivastigmine.
  • Mild to moderate Alzheimer’s disease (off‑label in some regions): may support cognitive stability when other treatments are insufficient.
  • Behavioral disturbances associated with Alzheimer’s disease: may reduce agitation and aggression.

How It Works

  • Memantine Hydrochloride acts as a non‑competitive antagonist at the N‑methyl‑D‑aspartate (NMDA) receptor. By binding to the receptor-associated ion channel with moderate affinity, it blocks excessive calcium influx caused by prolonged glutamate activation, thereby reducing excitotoxic neuronal injury. This modulation of glutamatergic transmission helps preserve neuronal integrity and supports synaptic function in patients with Alzheimer’s disease.

Side Effects

Memantine Hydrochloride may cause a range of adverse reactions, which are categorized by frequency and severity.

Common Side Effects

  • Dizziness: sensation of light‑headedness or unsteadiness.
  • Headache: mild to moderate pain in the head region.
  • Constipation: reduced bowel movements or hard stools.
  • Confusion: transient disorientation or difficulty concentrating.

Serious or Rare Side Effects

  • Seizures: occurrence of convulsive episodes.
  • Allergic reactions: rash, itching, swelling, or anaphylaxis.
  • Cardiac arrhythmias: irregular heart rhythm.
  • Hallucinations: visual or auditory perceptual disturbances.

Precautions & Warnings

When prescribing Memantine Hydrochloride, clinicians should consider several precautionary measures to ensure safe use.

  • Renal impairment: assess kidney function and adjust dose if necessary.
  • Hepatic impairment: monitor liver enzymes and use with caution.
  • History of seizures: observe for increased seizure activity.
  • Concomitant NMDA antagonists: avoid combined use to prevent additive neuro‑blocking effects.
  • Pregnancy and lactation: safety not established; weigh potential benefits against risks.
  • Store at room temperature: keep below 25 °C, retain in original packaging, and protect from moisture.

Avoid Interactions

Memantine Hydrochloride can interact with other medicines, influencing its efficacy or safety profile.

Major Interactions (Avoid)

  • Amantadine: combined NMDA antagonism may increase neuro‑psychiatric side effects.
  • High‑dose potassium supplements: may alter renal excretion of memantine.

Moderate Interactions (Monitor Closely)

  • Cholinesterase inhibitors (e.g., donepezil, rivastigmine): monitor for additive cognitive effects.
  • Diuretics (e.g., furosemide): watch for changes in serum potassium levels.
  • CNS depressants (e.g., benzodiazepines): may enhance dizziness or sedation.
  • Cimetidine: may increase memantine plasma concentrations.

Frequently Asked Questions

Memantine Hydrochloride Lupin is indicated for the treatment of moderate to severe Alzheimer’s disease in adult patients. It works by modulating glutamatergic activity in the brain, which can help improve cognition, daily functioning, and behavioral symptoms associated with the disease.

Memantine acts as a non‑competitive antagonist of the NMDA receptor, binding to its ion channel and preventing excessive calcium influx caused by prolonged glutamate activation. This reduces excitotoxic neuronal damage and helps preserve neuronal function in patients with Alzheimer’s disease.

The dosage of memantine is individualized and set by the prescribing healthcare professional based on the patient’s clinical condition, renal function, and response to therapy. Dosage adjustments may be required for patients with renal or hepatic impairment.

Safety of memantine during pregnancy and lactation has not been established. The potential benefits must be weighed against possible risks, and the drug should only be used if clearly needed and prescribed by a qualified clinician.

To place an order, submit an enquiry on the product page at gnhindia.com specifying the required quantity. GNH India supplies hospitals, pharmacies and procurement teams worldwide, verifies trade or institutional credentials, and then provides pricing, availability, shipping details and any necessary import documentation.

Memantine belongs to the NMDA receptor antagonist class, whereas other common therapies such as donepezil, rivastigmine, and galantamine are cholinesterase inhibitors. Memantine is typically used for moderate to severe disease and may be combined with a cholinesterase inhibitor for additive benefit.

Memantine Hydrochloride Lupin tablets should be stored at room temperature, below 25 °C, in the original packaging to protect from moisture and light. Keep the container tightly closed and out of reach of children.

Memantine is administered orally, usually as a tablet taken with or without food. The exact dosing schedule and titration plan are determined by the prescribing clinician based on the patient’s individual needs.

Serious risks include the potential for seizures, severe allergic reactions such as anaphylaxis, cardiac arrhythmias, and rare hallucinations. Patients should be monitored for these events, especially when initiating therapy or adjusting the dose.

Memantine is contraindicated in patients with known hypersensitivity to the drug or any of its components. Caution is advised for individuals with severe renal impairment, uncontrolled epilepsy, or those taking other NMDA antagonists.

Published by

GNH India Pharmaceuticals Limited

Licensed pharmaceutical supplier

Last updated:

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