Product image of Memantina Grindeks (Memantine Hydrochloride) supplied by GNH India

Memantina Grindeks

Active Ingredient:
Memantine Hydrochloride
Origin:
EU

Memantina Grindeks (Memantine Hydrochloride)

Memantine Hydrochloride, the active ingredient in Memantina Grindeks, is a NMDA receptor antagonist presented as an oral dosage form for oral use. It is indicated for the symptomatic treatment of moderate to severe Alzheimer’s disease in adults.
GNH India supplies Memantina Grindeks as a licensed, GDP‑compliant international pharmaceutical supplier serving hospitals, pharmacies and clinics worldwide.

Manufacturer / TM Owner

Grindeks

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Indications & Clinical Uses

  • Memantina Grindeks is a NMDA receptor antagonist used in the management of Alzheimer’s disease.
  • Alzheimer's disease (moderate to severe): provides symptomatic relief by improving cognition, behavior, and daily functioning.

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 glutamate over‑activation, thereby reducing excitotoxic neuronal damage that contributes to cognitive decline in Alzheimer’s disease.

Side Effects

Memantina Grindeks may cause a range of adverse reactions.

Common Side Effects

  • Dizziness: transient feeling of light‑headedness.
  • Headache: mild to moderate intensity.
  • Constipation: reduced bowel movements.
  • Confusion: temporary mental disorientation.
  • Fatigue: increased tiredness.
  • Insomnia: difficulty falling or staying asleep.

Serious or Rare Side Effects

  • Seizures: convulsive episodes requiring immediate medical attention.
  • Allergic reactions: rash, itching, swelling, or anaphylaxis.
  • Stevens‑Johnson syndrome: severe skin blistering.
  • Hepatic dysfunction: abnormal liver enzymes.
  • Cardiac arrhythmia: irregular heart rhythm.
  • Psychosis: new or worsening hallucinations or delusions.

Precautions & Warnings

When prescribing Memantina Grindeks, clinicians should consider several safety factors.

  • Renal impairment: dose adjustment may be required.
  • Hepatic impairment: monitor liver function tests.
  • History of seizures: use with caution and monitor closely.
  • Concomitant NMDA antagonists: avoid combined use to reduce additive toxicity.
  • Pregnancy: safety not established; weigh potential benefits against risks.
  • Store at room temperature: keep in the original container, protect from moisture and direct sunlight.

Avoid Interactions

Memantina Grindeks can interact with other medicines, necessitating careful review.

Major Interactions (Avoid)

  • Amantadine: combined NMDA antagonism may increase neurotoxicity.
  • Ketamine: additive CNS effects and potential for severe dizziness.
  • Cimetidine or quinidine: may raise memantine plasma concentrations.

Moderate Interactions (Monitor Closely)

  • Anticholinergic agents: may blunt cognitive benefits.
  • CNS depressants (e.g., benzodiazepines): enhanced sedation.
  • SSRIs or SNRIs: possible increase in side‑effect profile.
  • Diuretics: monitor renal function and electrolytes.

Frequently Asked Questions

Memantina Grindeks contains memantine hydrochloride and is prescribed for the symptomatic treatment of moderate to severe Alzheimer’s disease, helping to improve cognition, behavior, and daily functioning in affected patients.

Memantine acts as a non‑competitive antagonist at NMDA receptors, reducing excessive calcium influx caused by glutamate over‑activation. This limits excitotoxic neuronal damage, which is a key factor in the progression of Alzheimer’s disease.

The dosage of Memantina Grindeks is determined by the prescribing clinician based on the patient’s clinical condition, renal function, and response to therapy. Patients should follow the prescriber’s instructions and not adjust the dose on their own.

Safety of memantine during pregnancy or lactation has not been fully established. Healthcare providers should weigh potential benefits against possible risks and discuss any concerns with the patient before prescribing.

To order, submit an enquiry on the product page at gnhindia.com with 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 necessary import documentation.

Memantine belongs to the NMDA receptor antagonist class, differing from cholinesterase inhibitors such as donepezil. While cholinesterase inhibitors increase acetylcholine levels, memantine reduces glutamate‑mediated excitotoxicity, and it is typically used in moderate to severe stages where cholinesterase inhibitors alone may be insufficient.

Memantina Grindeks should be stored at room temperature, below 25 °C, in its original packaging. Keep the product away from moisture, direct sunlight, and extreme temperatures to maintain its stability.

The medication is taken orally, usually with or without food, as directed by the prescriber. Swallow the tablet whole with a glass of water and do not crush or chew unless specifically instructed.

Serious risks include seizures, severe allergic reactions such as anaphylaxis, Stevens‑Johnson syndrome, hepatic dysfunction, cardiac arrhythmias, and emerging psychosis. Patients should seek immediate medical attention if any of these symptoms occur.

Patients with known hypersensitivity to memantine or any component of the formulation should avoid the drug. Caution is also advised for individuals with severe renal impairment, uncontrolled seizures, or those taking other NMDA antagonists.

Published by

GNH India Pharmaceuticals Limited

Licensed pharmaceutical supplier

Last updated:

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