GNH USA

Europe — EMA

Memantine Zentiva Pharma

GNH USA supplies Memantine Zentiva Pharma (Memantine), a NMDA receptor antagonist for Alzheimer's disease treatment. Request a quote for global supply.

Memantine Hydrochloride

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What is Memantine Hydrochloride?

Memantine, the active ingredient in Memantine Zentiva Pharma, is a NMDA receptor antagonist presented as an oral tablet for oral use. It treats Alzheimer’s disease in adult patients, helping to reduce cognitive decline. GNH USA supplies Memantine Zentiva Pharma as a licensed, GDP‑compliant international pharmaceutical supplier serving hospitals, pharmacies and clinics worldwide.

What is Memantine Hydrochloride used for?

Memantine is used in the management of Alzheimer’s disease, a neurodegenerative disorder affecting memory and cognition. - Alzheimer’s disease (mild to moderate): helps maintain cognition and daily functioning. - Alzheimer’s disease (moderate to severe): may slow progression of symptoms. - Cognitive impairment associated with Alzheimer’s disease: supports memory, reasoning and attention.

What are the side effects of Memantine Hydrochloride?

Memantine may cause a range of adverse reactions, most of which are mild and transient.

Common Side Effects: - Dizziness - Headache - Constipation - Fatigue - Confusion - Hypertension

Serious or Rare Side Effects: - Seizures - Cardiac arrhythmias - Severe skin reactions (e.g., Stevens‑Johnson syndrome) - Hepatic injury - Suicidal thoughts or behavior - Acute psychosis

What precautions apply to Memantine Hydrochloride?

Before initiating therapy, consider the following safety measures. - Renal impairment: assess kidney function and adjust dose if needed. - History of seizures: monitor closely for increased seizure activity. - Cardiovascular disease: evaluate blood pressure and heart rhythm. - Concomitant NMDA antagonists: avoid combined use to reduce neurotoxicity risk. - Pregnancy: safety unknown; use only if potential benefit justifies potential risk. - Store at ambient temperature: keep in original packaging, protect from moisture and direct sunlight.

What does Memantine Hydrochloride interact with?

Memantine can interact with several medicines; awareness of the interaction level is essential.

Major Interactions (Avoid): - Amantadine: additive NMDA antagonism may increase neurotoxicity. - Ketamine: combined NMDA blockade can exacerbate central nervous system effects. - Other NMDA antagonists: concurrent use should be avoided.

Moderate Interactions (Monitor Closely): - Antihypertensives: memantine may enhance blood‑pressure‑lowering effects. - Diuretics: increased risk of dehydration and electrolyte imbalance. - Anticholinergic agents: may worsen cognitive impairment.

Frequently asked questions

What is Memantine Zentiva Pharma used for?+
Memantine Zentiva Pharma contains memantine hydrochloride and is prescribed to treat Alzheimer’s disease. It helps to preserve cognitive function and daily living abilities in patients with mild to moderate or moderate to severe disease, as determined by the treating physician.
How does memantine work in the brain?+
Memantine works by blocking the NMDA receptor’s ion channel in a non‑competitive manner. This reduces excessive calcium entry caused by over‑activation of glutamate pathways, limiting excitotoxic neuronal injury that contributes to the cognitive decline seen in Alzheimer’s disease.
What is the usual dose of Memantine Zentiva Pharma?+
The appropriate dose of Memantine Zentiva Pharma is individualized by the prescriber based on the patient’s clinical condition, renal function and tolerability. The prescribing doctor determines the starting dose and any subsequent titration.
Is Memantine safe during pregnancy or breastfeeding?+
The safety of memantine in pregnancy and lactation has not been established. It is classified as pregnancy category unknown, so it should only be used if the potential benefit outweighs any possible risk to the fetus or infant, and under medical supervision.
How do I order Memantine Zentiva Pharma 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 most other Alzheimer’s agents are acetylcholinesterase inhibitors (e.g., donepezil). Memantine targets excitotoxic pathways rather than cholinergic deficiency, and it is often used alone or in combination with an acetylcholinesterase inhibitor for complementary effects.
What are the storage requirements for Memantine Zentiva Pharma?+
Memantine Zentiva Pharma should be stored at ambient temperature, below 25 °C. Keep the tablets in the original container, protect them from moisture, heat and direct sunlight to maintain product stability.
How is Memantine Zentiva Pharma administered?+
The medication is taken orally, usually once daily with or without food, as directed by the prescribing clinician. Tablets should be swallowed whole with a glass of water and not crushed or chewed unless specifically advised.
What are the most serious risks associated with memantine?+
Serious risks include seizures, cardiac arrhythmias, severe skin reactions such as Stevens‑Johnson syndrome, hepatic injury, and emergence of suicidal thoughts or behavior. Patients should be monitored for these events, and any concerning symptoms should prompt immediate medical evaluation.
Who should not use Memantine Zentiva Pharma?+
Memantine 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 other NMDA antagonists, as these conditions increase the risk of adverse effects.
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.
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Product details

Drug
Memantine Hydrochloride
Route
Oral Use
Manufacturer
Zentiva Pharma Uk Limited
Origin
EU

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