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

Memantina Qualigen

Active Ingredient:
Memantine Hydrochloride
Origin:
EU

Memantina Qualigen (Memantine Hydrochloride)

Memantine Hydrochloride, the active ingredient in Memantina Qualigen, 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 Memantina Qualigen as a licensed, GDP‑compliant international pharmaceutical supplier serving hospitals, pharmacies and clinics worldwide. The company adheres to EU quality standards and provides reliable global distribution.

Manufacturer / TM Owner

Neuraxpharm Spain, S.L.U.

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Indications & Clinical Uses

  • Memantina Qualigen is an NMDA receptor antagonist used in the management of Alzheimer’s disease, targeting the neurodegenerative pathway associated with cognitive decline.
  • Alzheimer’s disease (moderate to severe): modest improvement in cognition and global function.
  • Cognitive decline: may slow the rate of deterioration in memory and thinking.
  • Daily living activities: helps maintain independence in routine tasks for a longer period.

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, it reduces excessive calcium influx caused by glutamate overstimulation, thereby decreasing excitotoxic neuronal damage that contributes to cognitive decline in Alzheimer’s disease.

Side Effects

Common Side Effects

  • Dizziness
  • Headache
  • Constipation
  • Fatigue

Serious or Rare Side Effects

  • Seizures
  • Severe skin reactions such as Stevens‑Johnson syndrome
  • Hepatic dysfunction
  • Suicidal thoughts or behavior
  • Psychosis or severe agitation

Precautions & Warnings

Memantina Qualigen should be used with caution in the following situations:

  • Renal impairment: dose may need adjustment.
  • History of seizures: monitor for increased seizure activity.
  • Cardiovascular disease: use cautiously due to possible blood pressure effects.
  • Concomitant use of other NMDA antagonists: avoid additive neurotoxicity.
  • Pregnancy and breastfeeding: safety unknown; avoid unless clearly needed.
  • Store at below 25°C: keep in the original pack, protect from moisture and direct sunlight.

Avoid Interactions

Major Interactions (Avoid)

  • Amantadine: increased risk of central nervous system adverse effects.
  • Other NMDA antagonists: additive neurotoxicity.
  • High‑dose vitamin D supplements: may alter memantine plasma concentrations.

Moderate Interactions (Monitor Closely)

  • Acetylcholinesterase inhibitors (e.g., donepezil): possible reduction in therapeutic benefit.
  • Diuretics: may affect renal clearance of memantine.
  • CNS depressants (e.g., benzodiazepines): enhanced sedation or dizziness.

Frequently Asked Questions

Memantina Qualigen contains memantine hydrochloride and is prescribed for the symptomatic treatment of moderate to severe Alzheimer’s disease. It helps improve cognition, global function, and the ability to perform daily activities in patients with this form of dementia.

Memantine blocks the NMDA‑type glutamate receptor in a non‑competitive manner, reducing excessive calcium entry into neurons. This limits glutamate‑mediated excitotoxicity, which is thought to contribute to neuronal loss and cognitive decline in Alzheimer’s disease.

The dose of Memantina Qualigen is individualized by the prescribing clinician. Treatment typically starts at a low dose that is gradually increased to the target maintenance dose, based on the patient’s response and tolerability.

The pregnancy safety category for memantine is unknown. Because potential risks cannot be ruled out, the product should be avoided during pregnancy and lactation unless the expected benefit justifies the potential hazard to the fetus or infant.

To request Memantina Qualigen, 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.

The primary alternative class for Alzheimer’s disease is acetylcholinesterase inhibitors such as donepezil. While those agents increase acetylcholine levels, memantine modulates glutamatergic activity. Clinically, memantine is often added to or used when patients no longer respond adequately to acetylcholinesterase inhibitors, offering a different mechanism of action.

Store Memantina Qualigen at temperatures below 25 °C in its original container, protected from moisture and direct sunlight. Keep the product out of reach of children and avoid exposing it to excessive heat or humidity.

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

Serious adverse events include seizures, severe skin reactions such as Stevens‑Johnson syndrome, hepatic dysfunction, and emergent psychiatric symptoms like suicidal thoughts or psychosis. Patients should seek immediate medical attention if any of these occur.

Memantina Qualigen is contraindicated in patients with known hypersensitivity to memantine or any excipients in the tablet. Caution is also 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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