Product image of Memantinhydrochlorid Macleods (Memantine Hydrochloride) supplied by GNH India

Memantinhydrochlorid Macleods

Active Ingredient:
Memantine Hydrochloride
Origin:
EU

Memantinhydrochlorid Macleods (Memantine Hydrochloride)

Memantine Hydrochloride, the active ingredient in Memantinhydrochlorid Macleods, is an NMDA receptor antagonist presented as a tablet for oral use. It is indicated for the symptomatic treatment of moderate to severe Alzheimer’s disease in adults.

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

Manufacturer / TM Owner

Macleods Pharma España, S.L.U

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Indications & Clinical Uses

Memantine Hydrochloride is used in the management of neurodegenerative disorders, specifically Alzheimer’s disease, by modulating glutamatergic neurotransmission.

  • Alzheimer’s disease (moderate to severe): improves cognition, functional abilities, and overall daily living activities.
  • Alzheimer’s disease (behavioral symptoms): may reduce agitation, aggression, and psychosis associated with the disease.
  • Alzheimer’s disease (disease progression): can help slow functional decline and maintain independence for a longer period.

How It Works

  • Memantine Hydrochloride acts as a non‑competitive antagonist at the N‑methyl‑D‑aspartate (NMDA) receptor. By binding within the receptor‑associated ion channel with moderate affinity, it blocks excessive calcium influx caused by prolonged glutamate activation. This reduces excitotoxic neuronal injury while preserving normal synaptic transmission, thereby helping to maintain neuronal function in brain regions affected by Alzheimer’s pathology.

Side Effects

Memantine Hydrochloride may cause a range of adverse reactions, which are categorized by frequency and severity.

Common Side Effects

  • Dizziness
  • Headache
  • Constipation
  • Confusion
  • Somnolence
  • Hypertension

Serious or Rare Side Effects

  • Seizures
  • Severe allergic reactions (e.g., rash, Stevens‑Johnson syndrome)
  • Cardiac arrhythmias
  • Hepatic dysfunction
  • Hallucinations or psychosis
  • Suicidal thoughts or behavior

Precautions & Warnings

When prescribing Memantine Hydrochloride, clinicians should consider several precautionary measures to ensure patient safety.

  • Renal impairment: adjust dose or monitor renal function closely.
  • Hepatic impairment: use with caution and monitor liver enzymes.
  • History of seizures: monitor for increased seizure activity.
  • Concomitant NMDA antagonists: avoid combined use to prevent additive toxicity.
  • Pregnancy and lactation: safety not established; weigh potential benefits against risks.
  • Elderly patients: monitor for confusion, falls, and worsening cognition.
  • Store at room temperature: keep in original container, protect from moisture and direct sunlight.

Avoid Interactions

Memantine Hydrochloride can interact with other medicines, influencing its efficacy or safety profile.

Major Interactions (Avoid)

  • Amantadine: combined NMDA antagonism may increase neurotoxicity.
  • Ketamine: additive NMDA blockade can lead to excessive central nervous system depression.
  • Other NMDA antagonists (e.g., dextromethorphan): risk of heightened adverse effects.

Moderate Interactions (Monitor Closely)

  • Anticholinergic agents: may diminish cognitive benefits of memantine.
  • Central nervous system depressants (e.g., benzodiazepines, opioids): may enhance sedation and dizziness.
  • Diuretics: can affect blood pressure and electrolyte balance.
  • Antihypertensive drugs: potential additive hypotensive effect.

Frequently Asked Questions

Memantinhydrochlorid contains memantine hydrochloride, which is prescribed to treat moderate to severe Alzheimer’s disease. It helps improve cognitive function, daily activities, and may reduce behavioral symptoms associated with the condition.

Memantine hydrochloride works by non‑competitively blocking NMDA receptors in the brain. This reduces excessive calcium influx caused by overactive glutamate signaling, limiting excitotoxic neuronal damage while preserving normal neurotransmission.

The dosage of memantine is individualized and set by the prescribing clinician based on the patient’s condition, renal function, and tolerability. Specific dosing regimens should be obtained from the treating physician.

Safety data for memantine in pregnancy and lactation are limited. The drug should only be used if the potential benefit justifies the potential risk to the fetus or infant, and decisions should be made in consultation with a healthcare professional.

To place an order, 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.

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. Both classes may be used together for complementary benefits in certain patients.

Store the product at room temperature, 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 product stability.

Memantinhydrochlorid is taken orally, usually as a tablet. It should be swallowed whole with water and can be taken with or without food, following the prescribing physician’s instructions.

Serious risks include seizures, severe allergic reactions such as Stevens‑Johnson syndrome, cardiac arrhythmias, hepatic dysfunction, hallucinations, and suicidal thoughts. Patients should be monitored closely for any of these events.

Memantine is contraindicated in patients with known hypersensitivity to the drug. Caution is advised for individuals with severe renal impairment, uncontrolled seizures, or those taking other NMDA antagonists, as combined use may increase toxicity.

Published by

GNH India Pharmaceuticals Limited

Licensed pharmaceutical supplier

Last updated:

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