GNH USA

Europe — EMA

Memantina Stadafarma

GNH USA supplies Memantina Stadafarma (Memantine Hydrochloride), a NMDA receptor antagonist for moderate to severe Alzheimer’s disease.

Memantine Hydrochloride

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What is Memantine Hydrochloride?

Memantine Hydrochloride, the active ingredient in Memantina Stadafarma, 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 adults.

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

What is Memantine Hydrochloride used for?

Memantina Stadafarma is a NMDA receptor antagonist used in the management of Alzheimer’s disease and related cognitive disorders.

- Moderate to severe Alzheimer’s disease: improves cognition, global functioning and daily living activities. - Alzheimer’s disease combined with cholinesterase inhibitors: provides additional benefit when used together with agents such as donepezil. - Behavioral symptoms of Alzheimer’s disease: may reduce agitation and aggression associated with the condition.

What are the side effects of Memantine Hydrochloride?

Memantina Stadafarma may be associated with several adverse reactions. Patients should be monitored for both common and serious events.

Common Side Effects: - Dizziness: transient light‑headedness, especially at treatment initiation. - Headache: mild to moderate intensity. - Constipation: reduced bowel movements, manageable with diet. - Confusion: occasional disorientation. - Fatigue: feeling of tiredness or reduced energy. - Hypertension: mild increase in blood pressure.

Serious or Rare Side Effects: - Seizures: rare but may occur, particularly in patients with a seizure history. - Cardiac arrhythmia: irregular heart rhythms reported in isolated cases. - Severe allergic reaction: rash, swelling, or anaphylaxis. - Hallucinations or psychosis: visual or auditory disturbances. - Liver injury: elevated liver enzymes indicating hepatic stress. - Suicidal thoughts: emergence of depressive symptoms or suicidal ideation.

What precautions apply to Memantine Hydrochloride?

Before initiating therapy, clinicians should evaluate patient‑specific factors and monitor for potential complications.

- Renal impairment: assess kidney function and adjust dose if necessary. - History of seizures: monitor closely for increased seizure activity. - Cardiovascular disease: observe blood pressure and heart rate regularly. - Concomitant NMDA antagonists: avoid combined use to reduce neurotoxicity risk. - Pregnancy and lactation: safety not established; use only if benefit outweighs risk. - Store at room temperature: keep in the original container, protect from moisture and direct sunlight.

What does Memantine Hydrochloride interact with?

Memantina Stadafarma can interact with several medicines; categorisation helps guide clinical decisions.

Major Interactions (Avoid): - Amantadine: additive NMDA antagonism may increase neurotoxicity. - Ketamine: combined NMDA blockade can cause severe central nervous system depression. - Strong CYP3A4 inhibitors (e.g., ketoconazole): may raise memantine plasma concentrations.

Moderate Interactions (Monitor Closely): - Diuretics (e.g., furosemide): may potentiate hypotensive effects. - Anticholinergic agents: can worsen cognitive side effects. - Antihypertensives: may enhance blood‑pressure‑lowering action.

Frequently asked questions

What is Memantina Stadafarma used for?+
Memantina Stadafarma contains memantine hydrochloride and is prescribed for the treatment of moderate to severe Alzheimer’s disease. It helps improve cognitive function, daily living activities, and may reduce behavioral symptoms associated with the condition.
How does memantine work in the brain?+
Memantine acts as a non‑competitive antagonist of NMDA receptors, limiting excessive calcium entry caused by prolonged glutamate stimulation. This reduces excitotoxic neuronal damage while preserving normal synaptic activity, which can help stabilize cognition in Alzheimer’s disease.
What is the usual dose of Memantina Stadafarma?+
The specific dose and titration schedule are determined by the prescribing clinician based on the patient’s clinical status, renal function, and response to therapy. Physicians typically start with a low dose and may increase it gradually, but exact regimens vary.
Is Memantina Stadafarma safe during pregnancy or breastfeeding?+
Safety data for memantine in pregnancy and lactation are limited. The product should be used only if the potential benefit justifies the potential risk to the fetus or infant, and the decision should be made by a qualified healthcare professional.
How do I order Memantina Stadafarma from GNH USA?+
To place an order, submit an enquiry on the product page at gnh-usa.com, specifying the required quantity. GNH USA 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.
How does memantine compare with other Alzheimer’s drugs?+
Memantine belongs to the NMDA‑receptor antagonist class, whereas cholinesterase inhibitors such as donepezil, rivastigmine and galantamine act by increasing acetylcholine levels. Memantine is typically used in moderate to severe disease and can be combined with cholinesterase inhibitors for added benefit, while the latter are often first‑line for mild to moderate stages.
What are the storage requirements for Memantina Stadafarma?+
Store the tablets at room temperature, below 25 °C, in the original packaging. Keep them away from moisture, direct sunlight and excessive heat to maintain product stability throughout its shelf life.
How is Memantina Stadafarma administered?+
Memantina Stadafarma is taken orally, usually with or without food, as directed by the prescribing physician. The tablets should be swallowed whole with a glass of water and not crushed or chewed unless specifically instructed.
What are the most serious risks associated with memantine therapy?+
Serious adverse events, although rare, include seizures, cardiac arrhythmias, severe allergic reactions, hallucinations, liver injury and emergence of suicidal thoughts. Patients should be monitored closely for any of these symptoms, and therapy should be discontinued if they occur.
Who should not use Memantina Stadafarma?+
Memantina Stadafarma is contraindicated in patients with known hypersensitivity to memantine or any excipients in the formulation. Caution is advised for individuals with severe renal impairment, uncontrolled seizures, or those taking other NMDA‑antagonist agents.
Information provided on this page is for educational use by procurement and clinical professionals. Always consult a licensed healthcare provider for medical advice and prescribing decisions. GNH USA supplies this product subject to applicable regulatory and licensing requirements.

Product details

Drug
Memantine Hydrochloride
Route
Oral Use
Manufacturer
Laboratorio Stada, S.L.
Origin
EU

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