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

Memantine Vipharm

Active Ingredient:
Memantine Hydrochloride
Origin:
EU

Memantine Vipharm (Memantine Hydrochloride)

Memantine, the active ingredient in Memantine Vipharm, is a NMDA receptor antagonist presented as an oral dosage form for oral use. It is prescribed for the treatment of Alzheimer’s disease in adult patients.

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

Manufacturer / TM Owner

Vipharm S.A.

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Indications & Clinical Uses

Memantine is used in the management of Alzheimer’s disease, a neurodegenerative disorder affecting memory and cognition.

  • Alzheimer’s disease (mild to moderate): may improve cognitive function and daily living activities.
  • Alzheimer’s disease (moderate to severe): helps maintain functional abilities and slows symptom progression.
  • Alzheimer’s disease with behavioral symptoms: can reduce agitation and improve overall patient stability.

How It Works

  • Memantine acts as a non‑competitive antagonist at the N‑methyl‑D‑aspartate (NMDA) receptor. By binding to the receptor‑associated ion channel, it blocks excessive calcium influx caused by prolonged glutamate activation, thereby reducing excitotoxic neuronal injury that contributes to cognitive decline in Alzheimer’s disease.

Side Effects

Memantine is generally well tolerated, but adverse reactions can occur.

Common Side Effects

  • Dizziness: transient light‑headedness.
  • Headache: mild to moderate intensity.
  • Constipation: reduced bowel movements.
  • Fatigue: feeling of tiredness.
  • Nausea: occasional upset stomach.
  • Confusion: mild disorientation.

Serious or Rare Side Effects

  • Seizures: rare convulsive episodes.
  • Severe allergic reaction: rash, swelling, or breathing difficulty.
  • Hallucinations: visual or auditory disturbances.
  • Mood changes: depression or suicidal thoughts.
  • Cardiac arrhythmia: irregular heartbeat.
  • Liver enzyme elevation: abnormal liver function tests.

Precautions & Warnings

Before initiating therapy, clinicians should evaluate patient suitability and monitor for specific risks.

  • Renal impairment: adjust dose or monitor renal function.
  • Hepatic disease: assess liver function before use.
  • History of seizures: use with caution.
  • Concomitant CNS depressants: monitor for additive sedation.
  • Pregnancy and lactation: avoid unless benefits outweigh risks.
  • Store at ambient temperature: keep below 25 °C, in original container, protected from moisture and light.

Avoid Interactions

Memantine may interact with other medicines that affect the central nervous system or renal clearance.

Major Interactions (Avoid)

  • Amantadine: combined NMDA antagonism can increase neurotoxicity.
  • Ketamine: additive NMDA blockade may cause severe CNS effects.

Moderate Interactions (Monitor Closely)

  • Anticholinergic agents: may worsen cognitive impairment.
  • Diuretics (e.g., furosemide): can alter renal excretion of memantine.
  • Proton pump inhibitors: may affect absorption.
  • Alcohol: enhances sedation and dizziness.
  • Other NMDA antagonists: monitor for additive side effects.

Frequently Asked Questions

Memantine Vipharm contains memantine hydrochloride, which is indicated for the symptomatic treatment of Alzheimer’s disease. It helps improve cognition, memory, and functional abilities in patients with mild to moderate or moderate to severe disease.

Memantine acts as a non‑competitive antagonist at NMDA receptors. By blocking excessive calcium entry caused by prolonged glutamate activation, it reduces excitotoxic neuronal damage that contributes to cognitive decline in Alzheimer’s disease.

The dosing regimen for memantine is determined by the prescribing clinician based on the patient’s clinical condition, renal function, and response to therapy. Physicians set the appropriate dose and titration schedule.

Safety data for memantine in pregnancy and lactation are limited. It should only be used if the potential benefit to the mother outweighs any possible risk to the fetus or infant, and the decision must be made by a qualified healthcare professional.

Enquiries are submitted via the product page on gnhindia.com, where you specify 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 required import documentation.

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

Store the product at ambient temperature, preferably below 25 °C. Keep it in the original packaging, protect it from moisture and direct sunlight, and ensure the container is tightly closed to maintain stability.

Memantine Vipharm is taken orally, usually with or without food, as directed by the prescriber. The tablets are swallowed whole with a glass of water and should not be crushed or chewed unless specifically instructed.

Serious adverse events, although rare, include seizures, severe allergic reactions (anaphylaxis), hallucinations, marked mood changes such as depression or suicidal thoughts, and cardiac arrhythmias. Patients should seek immediate medical attention if any of these occur.

Memantine is contraindicated in patients with known hypersensitivity to memantine or any of its excipients. Caution is advised in 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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