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

Memantina Pentafarma

Active Ingredient:
Memantine Hydrochloride
Origin:
EU

Memantina Pentafarma (Memantine Hydrochloride)

Memantine Hydrochloride, the active ingredient in Memantina Pentafarma, is an NMDA receptor antagonist presented as an oral tablet for oral use. It is used to manage symptoms of Alzheimer’s disease in adults, helping to preserve cognition and functional abilities.

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

Manufacturer / TM Owner

Pentafarma - Sociedade Tecnico-Medicinal S.A.

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Indications & Clinical Uses

Memantina Pentafarma, a NMDA receptor antagonist, is indicated for the treatment of Alzheimer’s disease.

  • Alzheimer’s disease (mild to moderate): helps maintain cognitive function and daily living activities.
  • Alzheimer’s disease (moderate to severe): reduces progression of symptoms and supports functional independence.
  • Behavioral disturbances in Alzheimer’s disease: may lessen agitation and aggression.

How It Works

  • Memantine Hydrochloride acts as a non‑competitive antagonist at the NMDA‑type glutamate receptors. By binding to the receptor-associated ion channel, it blocks excessive calcium influx caused by overstimulation, thereby reducing excitotoxic neuronal injury that contributes to cognitive decline in Alzheimer’s disease.

Side Effects

Memantina Pentafarma may cause a range of adverse reactions. Most are mild and reversible, while others are serious and require prompt medical attention.

Common Side Effects

  • Dizziness: transient sensation of light‑headedness.
  • Headache: mild to moderate intensity.
  • Constipation: reduced bowel movements.
  • Nausea: occasional upset stomach.

Serious or Rare Side Effects

  • Seizures: rare convulsive episodes.
  • Hallucinations: visual or auditory disturbances.
  • Severe allergic reactions: rash, angioedema, or anaphylaxis.
  • Cardiac arrhythmia: irregular heart rhythm.
  • Stevens‑Johnson syndrome: severe skin reaction.
  • Elevated liver enzymes: possible hepatic involvement.

Precautions & Warnings

When prescribing Memantina Pentafarma, clinicians should consider several safety aspects.

  • Renal impairment: assess kidney function and adjust dosing if needed.
  • Hepatic dysfunction: monitor liver enzymes periodically.
  • History of seizures: use with caution and observe for neurological changes.
  • Concomitant CNS depressants: evaluate for additive sedation.
  • Store at ambient temperature below 25°C: keep in the original container, protect from moisture and direct sunlight.

Avoid Interactions

Memantina Pentafarma can interact with other medicines, influencing its safety and efficacy.

Major Interactions (Avoid)

  • Amantadine: increased risk of neurotoxicity.
  • Ketamine: additive NMDA antagonism leading to excessive CNS depression.
  • High‑dose NMDA antagonists: may amplify central nervous system effects.

Moderate Interactions (Monitor Closely)

  • Anticholinergic agents: may worsen cognitive impairment.
  • Diuretics: can increase the likelihood of dizziness.
  • Alcohol: may enhance sedation and dizziness.
  • Certain anticonvulsants: may alter memantine plasma levels.

Frequently Asked Questions

Memantina Pentafarma contains memantine hydrochloride, which is prescribed to treat cognitive decline and functional impairment associated with Alzheimer’s disease. It is used in adults with mild to moderate or moderate to severe disease to help maintain daily activities and slow symptom progression.

Memantine acts as a non‑competitive antagonist of NMDA‑type glutamate receptors. By blocking excessive calcium entry through these receptors, it reduces excitotoxic neuronal damage that contributes to the neurodegenerative processes seen in Alzheimer’s disease, thereby supporting neuronal function.

The specific dose of Memantina Pentafarma is determined by the prescribing clinician based on the patient’s condition, age, renal function, and other factors. Healthcare professionals follow established guidelines and adjust the regimen as needed for safety and efficacy.

Safety data for memantine during pregnancy and lactation are limited. The drug should only be used if the potential benefit justifies the potential risk to the fetus or infant. Women who are pregnant, planning to become pregnant, or breastfeeding should discuss risks with their healthcare provider.

To request Memantina Pentafarma, 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 necessary import documentation.

Memantine belongs to the NMDA receptor antagonist class, differing from cholinesterase inhibitors such as donepezil or rivastigmine. While cholinesterase inhibitors enhance acetylcholine signaling, memantine reduces glutamate‑mediated excitotoxicity. Both classes may be used together for additive benefits in certain patients, but the choice depends on disease stage and individual response.

Memantina Pentafarma should be stored at ambient temperature below 25 °C, in its original packaging, protected from moisture and direct sunlight. Keep the product out of reach of children and do not use it after the expiration date printed on the label.

Memantina Pentafarma is taken orally, usually once daily, with or without food as directed by the prescriber. The tablet should be swallowed whole with water and not crushed or chewed unless specifically instructed.

Serious risks include seizures, severe allergic reactions such as anaphylaxis or Stevens‑Johnson syndrome, and cardiac arrhythmias. Patients should seek immediate medical attention if they experience any signs of these conditions, such as uncontrolled shaking, rash, difficulty breathing, or irregular heartbeat.

Memantina Pentafarma is contraindicated in patients with known hypersensitivity to memantine or any of its excipients. Caution is advised for individuals with severe renal impairment, uncontrolled seizures, or those taking interacting medications listed under major interactions.

Published by

GNH India Pharmaceuticals Limited

Licensed pharmaceutical supplier

Last updated:

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