Product image of Memantin Hcs (Memantine Hydrochloride) supplied by GNH India

Memantin Hcs

Active Ingredient:
Memantine Hydrochloride
Origin:
EU

Memantin Hcs (Memantine Hydrochloride)

Memantine, the active ingredient in Memantin Hcs, is a NMDA receptor antagonist presented as an oral tablet for oral use. It is used in the management of moderate to severe Alzheimer’s disease in adult patients.
GNH India supplies Memantin Hcs as a licensed, GDP‑compliant international pharmaceutical supplier serving hospitals, pharmacies and clinics worldwide.

Manufacturer / TM Owner

Hcs Bvba

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Indications & Clinical Uses

Memantin Hcs is an NMDA receptor antagonist indicated for the treatment of Alzheimer’s disease and related cognitive disorders.

  • Alzheimer’s disease (mild to moderate): helps improve cognition and daily functioning.
  • Alzheimer’s disease (moderate to severe): may slow the progression of memory loss and functional decline.
  • Alzheimer’s disease with behavioral symptoms: can reduce agitation and improve overall patient behavior.

How It Works

  • Memantine acts as a non‑competitive antagonist at the N‑methyl‑D‑aspartate (NMDA) receptor, binding to the receptor-associated ion channel. By blocking excessive calcium influx caused by overstimulation of glutamate, it reduces excitotoxic neuronal injury and helps preserve synaptic function in the central nervous system.

Side Effects

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

Common Side Effects

  • Dizziness: transient light‑headedness or imbalance.
  • Headache: mild to moderate intensity.
  • Constipation: reduced bowel movements.
  • Fatigue: feeling unusually tired.

Serious or Rare Side Effects

  • Seizures: new onset or worsening of seizure activity.
  • Cardiac arrhythmia: irregular heart rhythm.
  • Severe skin reactions: such as Stevens‑Johnson syndrome.
  • Hepatic dysfunction: elevated liver enzymes or jaundice.
  • Suicidal thoughts: emergence of depressive or suicidal ideation.

Precautions & Warnings

When prescribing Memantin Hcs, clinicians should consider several safety aspects.

  • Renal impairment: dose adjustment may be required.
  • History of seizures: monitor for increased seizure activity.
  • Cardiovascular disease: assess blood pressure and heart rate regularly.
  • Concurrent NMDA antagonists: avoid co‑administration to reduce neurotoxicity risk.
  • Pregnancy: safety unknown; use only if potential benefit justifies the risk.
  • Store at ambient temperature: keep in the original container, protect from moisture and direct sunlight.

Avoid Interactions

Memantin Hcs can interact with other medicines, necessitating careful review of a patient’s regimen.

Major Interactions (Avoid)

  • Amantadine: combined NMDA antagonism may increase neurotoxic effects.
  • Ketamine: additive NMDA blockade can lead to excessive CNS depression.
  • Other NMDA antagonists: concurrent use should be avoided.

Moderate Interactions (Monitor Closely)

  • Antihypertensives: memantine may enhance hypotensive effects.
  • Anticholinergic agents: may worsen cognitive impairment when used together.

Frequently Asked Questions

Memantin Hcs contains memantine hydrochloride, an NMDA receptor antagonist indicated for the treatment of moderate to severe Alzheimer’s disease in adults. It helps improve cognition, functional abilities, and may reduce behavioral symptoms associated with the disease.

Memantine blocks the NMDA‑type glutamate receptors in a non‑competitive manner, preventing excessive calcium influx that can cause neuronal damage. By moderating excitotoxicity, it supports neuronal health and helps maintain synaptic transmission in patients with Alzheimer’s disease.

The appropriate dose of Memantin Hcs is determined by the prescribing clinician based on the patient’s clinical condition, renal function, and response to therapy. Dosage adjustments may be needed for special populations, and patients should follow the prescriber’s instructions.

The safety of memantine during pregnancy and lactation has not been established. It should be used only if the potential benefit justifies the potential risk to the fetus or infant, and the decision should be made in consultation with a healthcare professional.

To place an order, 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 and any necessary import documentation.

Memantine belongs to the NMDA receptor antagonist class, whereas other approved agents such as cholinesterase inhibitors (e.g., donepezil) act by increasing acetylcholine levels. Memantine is typically used in moderate to severe stages and may be combined with a cholinesterase inhibitor for additive benefit.

Memantin Hcs should be stored at ambient temperature, below 25 °C. Keep the product in its original packaging, protect it from moisture and direct sunlight, and ensure the container is tightly closed to maintain stability.

Memantin Hcs is taken orally, usually as a tablet, with or without food. The exact administration schedule, including titration and maintenance doses, is determined by the prescribing clinician based on individual patient needs.

Serious risks include the potential for seizures, cardiac arrhythmias, severe skin reactions such as Stevens‑Johnson syndrome, hepatic dysfunction, and emergence of suicidal thoughts. Patients should be monitored regularly for these events, especially during treatment initiation and dose changes.

Memantin Hcs is contraindicated in patients with known hypersensitivity to memantine or any of its excipients. Caution is advised for individuals with severe renal impairment, uncontrolled epilepsy, or those taking other NMDA antagonists, as these conditions increase the risk of adverse effects.

Published by

GNH India Pharmaceuticals Limited

Licensed pharmaceutical supplier

Last updated:

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