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

Memigmin

Active Ingredient:
Memantine Hydrochloride
Origin:
EU

Memigmin (Memantine Hydrochloride)

Memantine Hydrochloride, the active ingredient in Memigmin, is an NMDA receptor antagonist presented as an oral tablet for oral use. It is indicated for the treatment of moderate to severe Alzheimer’s disease in adults.

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

Manufacturer / TM Owner

Egis Pharmaceuticals Plc

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Indications & Clinical Uses

Memigmin is a NMDA‑receptor antagonist used in the management of Alzheimer’s disease and related cognitive disorders.

  • Moderate to severe Alzheimer’s disease: improves cognition, memory and daily functional abilities.
  • Behavioral disturbances in Alzheimer’s disease: may reduce agitation, aggression and psychotic symptoms.
  • Dementia of Alzheimer’s type: supports overall cognitive performance and slows functional decline.

How It Works

  • Memantine Hydrochloride acts as a non‑competitive antagonist at the NMDA (N‑methyl‑D‑aspartate) receptor. By binding to the receptor-associated ion channel with moderate affinity, it blocks excessive calcium influx caused by overstimulation, thereby reducing excitotoxic neuronal injury while preserving normal synaptic transmission essential for learning and memory.

Side Effects

Common Side Effects

  • Dizziness: feeling light‑headed or unsteady.
  • Headache: mild to moderate pain in the head.
  • Constipation: reduced bowel movements.
  • Confusion: transient disorientation or difficulty concentrating.
  • Fatigue: unusual tiredness or lack of energy.
  • Hypertension: elevated blood pressure readings.

Serious or Rare Side Effects

  • Seizures: sudden uncontrolled electrical activity in the brain.
  • Severe rash or skin reactions: including Stevens‑Johnson syndrome.
  • Hepatic dysfunction: elevated liver enzymes or jaundice.
  • Suicidal thoughts: emergence of depressive ideation.
  • Cardiac arrhythmia: irregular heart rhythm.
  • Psychosis: new or worsening hallucinations or delusions.

Precautions & Warnings

Memigmin should be used with caution in specific clinical situations.

  • Renal impairment: assess kidney function and consider dose adjustment.
  • Hepatic impairment: monitor liver enzymes regularly.
  • History of seizures: evaluate risk and monitor closely.
  • Concurrent use of other NMDA antagonists: avoid additive neurotoxicity.
  • Pregnancy: safety not established; use only if benefit outweighs risk.
  • Store at ambient temperature: keep in the original container, protect from moisture and direct sunlight.

Avoid Interactions

Memigmin may interact with several medicines; monitoring is advised.

Major Interactions (Avoid)

  • Amantadine: combined NMDA antagonism can increase neurotoxicity.
  • Other NMDA antagonists (e.g., ketamine): risk of additive CNS effects.
  • Strong CYP3A4 inducers (e.g., carbamazepine, phenytoin): may lower memantine plasma concentrations.

Moderate Interactions (Monitor Closely)

  • Anticholinergic agents: may diminish therapeutic benefit.
  • Diuretics: can enhance risk of hypotension.
  • Alcohol: may potentiate central nervous system depression.

Frequently Asked Questions

Memigmin contains memantine hydrochloride and is prescribed for adults with moderate to severe Alzheimer’s disease. It helps improve cognitive function, memory, and daily living activities by protecting neurons from excitotoxic damage.

Memantine acts as a non‑competitive antagonist at NMDA receptors. By blocking excessive calcium entry caused by overstimulation, it reduces neuronal excitotoxicity while allowing normal synaptic signaling needed for learning and memory.

The dose of Memigmin is determined by the prescribing clinician based on the patient’s condition, renal function and tolerability. Dosage adjustments are made individually and should follow the prescriber’s instructions.

Safety of memantine in 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 must be made by a qualified healthcare professional.

To order Memigmin, 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 required import documentation.

Memigmin belongs to the NMDA‑receptor antagonist class, whereas many other Alzheimer’s agents are acetylcholinesterase inhibitors (e.g., donepezil). Memantine targets excitotoxic pathways rather than cholinergic deficiency, and it is typically used when disease has progressed to moderate or severe stages.

Memigmin tablets should be stored at ambient temperature, below 25 °C, in the original blister pack or container. Keep the product away from moisture, heat and direct sunlight to maintain stability.

Memigmin is taken orally, usually once daily after a gradual titration period. The tablet should be swallowed whole with water and can be taken with or without food, following the prescriber’s guidance.

Serious risks include seizures, severe skin reactions such as Stevens‑Johnson syndrome, hepatic dysfunction, cardiac arrhythmias and emergence of suicidal thoughts. Patients should be monitored for these events and seek immediate medical attention if they occur.

Memigmin is contraindicated in patients with known hypersensitivity to memantine or any component of the formulation. 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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