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

Memantina Alter

Active Ingredient:
Memantine Hydrochloride
Origin:
EU

Memantina Alter (Memantine Hydrochloride)

Memantine Hydrochloride, the active ingredient in Memantina Alter, is a 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 adult patients, helping to reduce excitotoxic neuronal damage and support cognitive function.

GNH India supplies Memantina Alter as a licensed, GDP‑compliant international pharmaceutical supplier serving hospitals, pharmacies and clinics worldwide. The company adheres to stringent quality standards and provides reliable logistics for global distribution across markets worldwide.

Manufacturer / TM Owner

Laboratorios Alter, S.A.

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Indications & Clinical Uses

Memantina Alter is used in the management of Alzheimer’s disease, targeting glutamatergic neurotransmission.

  • Moderate to severe Alzheimer’s disease: improves cognition and functional abilities in affected patients.
  • Behavioral symptoms of Alzheimer’s disease: may reduce agitation and aggression associated with the condition.
  • Dementia due to Alzheimer’s disease: supports daily living activities by mitigating neuronal excitotoxicity.

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 overstimulation of glutamate, thereby reducing excitotoxic neuronal injury. This modulation of glutamatergic activity helps preserve synaptic function and slows the progression of significant overall cognitive decline in patients with Alzheimer’s disease.

Side Effects

Memantina Alter may be associated with a range of adverse reactions, which are categorized by frequency and severity.

Common Side Effects

  • Dizziness: sensation of light‑headedness or unsteadiness.
  • Headache: mild to moderate cranial pain.
  • Constipation: reduced bowel movements or hard stools.
  • Confusion: transient disorientation or difficulty concentrating.

Serious or Rare Side Effects

  • Seizures: occurrence of convulsive episodes.
  • Allergic reactions: rash, itching, swelling, or anaphylaxis.
  • Hallucinations: visual or auditory perceptual disturbances.
  • Cardiac arrhythmias: irregular heart rhythm potentially requiring medical attention.

Precautions & Warnings

When prescribing Memantina Alter, clinicians should consider several precautionary measures to ensure patient safety.

  • Renal impairment: evaluate kidney function and adjust dose if necessary.
  • History of seizures: monitor closely for increased seizure activity.
  • Concomitant NMDA agonists: avoid co‑administration due to additive CNS effects.
  • Elderly patients: initiate therapy at the lowest effective dose and titrate slowly.
  • Store at room temperature: keep in the original packaging, protect from moisture and heat.

Avoid Interactions

Memantina Alter can interact with other medicines; awareness of major and moderate interactions helps optimize therapy.

Major Interactions (Avoid)

  • Amantadine: combined NMDA antagonism may increase neurotoxicity.
  • Ketamine: additive CNS depression and psychotomimetic effects.
  • Other NMDA antagonists: concurrent use can amplify adverse CNS events.

Moderate Interactions (Monitor Closely)

  • Diuretics: may enhance risk of hypotension and electrolyte imbalance.
  • Anticholinergic agents: can worsen cognitive impairment.
  • Central nervous system depressants: may increase dizziness and sedation.

Frequently Asked Questions

Memantina Alter contains memantine hydrochloride and is prescribed for the treatment of moderate to severe Alzheimer’s disease. It helps to improve cognitive function and daily living activities by reducing excitotoxic neuronal damage associated with the disease.

Memantine Hydrochloride works as a non‑competitive antagonist of the NMDA receptor. By blocking excessive calcium influx through the receptor’s ion channel, it limits glutamate‑induced excitotoxicity, thereby protecting neurons and supporting synaptic function in Alzheimer’s disease.

The dose of Memantina Alter is individualized by the prescribing clinician based on the patient’s condition, renal function, and response to therapy. Specific dosing regimens are not provided here and should follow the prescriber’s instructions.

Safety data for memantine hydrochloride in pregnancy and lactation are limited. Women who are pregnant, planning to become pregnant, or breastfeeding should discuss potential risks and benefits with their healthcare provider before using Memantina Alter.

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

Memantina Alter (memantine) belongs to the NMDA‑receptor antagonist class, whereas drugs such as donepezil, rivastigmine and galantamine are acetylcholinesterase inhibitors. Memantine is typically used for moderate to severe disease and may be combined with an inhibitor for broader symptomatic coverage.

Memantina Alter should be stored at room temperature, below 25 °C, in its original packaging. Protect the tablets from moisture, direct sunlight and excessive heat to maintain product stability throughout its shelf life.

Memantina Alter is taken orally, usually as a tablet. The tablet should be swallowed whole with a glass of water and may be taken with or without food, following the dosing schedule prescribed by the treating physician.

Serious adverse events associated with Memantina Alter include seizures, severe allergic reactions such as anaphylaxis, hallucinations, and cardiac arrhythmias. Patients should seek immediate medical attention if they experience any of these symptoms.

Memantina Alter should be avoided in patients with known hypersensitivity to memantine or any excipients, in those with severe renal impairment without dose adjustment, and in individuals taking other NMDA antagonists that could increase toxicity. Clinical judgment is required for each case.

Published by

GNH India Pharmaceuticals Limited

Licensed pharmaceutical supplier

Last updated:

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