GNH USA

Europe — EMA

Memantina Krka

GNH USA supplies Memantina Krka (Memantine), a NMDA receptor antagonist for moderate to severe Alzheimer's disease, available as an oral tablet.

Memantine Hydrochloride

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What is Memantine Hydrochloride?

Memantine, the active ingredient in Memantina Krka, 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 Krka as a licensed, GDP‑compliant international pharmaceutical supplier serving hospitals, pharmacies and clinics worldwide.

What is Memantine Hydrochloride used for?

Memantina Krka is a NMDA‑receptor antagonist used in the management of Alzheimer’s disease. - Moderate to severe Alzheimer’s disease: helps maintain cognition and daily functioning in patients with established disease.

What are the side effects of Memantine Hydrochloride?

Memantina Krka may cause a range of adverse reactions, most of which are mild to moderate in severity.

Common Side Effects: - Dizziness: sensation of light‑headedness or unsteadiness. - Headache: mild to moderate pain in the head region. - Constipation: reduced bowel movements or hard stools. - Fatigue: feeling unusually tired or weak. - Nausea: sensation of queasiness or urge to vomit.

Serious or Rare Side Effects: - Seizures: convulsive episodes requiring immediate medical attention. - Severe allergic reactions: rash, swelling, or difficulty breathing. - Hepatic dysfunction: abnormal liver enzyme elevations. - Stevens‑Johnson syndrome: rare skin blistering disorder. - Suicidal thoughts: emergence of depressive or suicidal ideation.

What precautions apply to Memantine Hydrochloride?

When prescribing Memantina Krka, clinicians should consider several safety aspects. - Renal impairment: assess kidney function and adjust dose if necessary. - Hepatic impairment: monitor liver enzymes and consider dose modification. - Concomitant NMDA antagonists: avoid combined use to reduce risk of additive neurotoxicity. - History of seizures: monitor closely for increased seizure activity. - Pregnancy and breastfeeding: safety not established; use only if potential benefit justifies potential risk. - Store at room temperature: keep in original container, protect from moisture and direct sunlight.

What does Memantine Hydrochloride interact with?

Memantina Krka can interact with other medicines, requiring attention to avoid adverse outcomes.

Major Interactions (Avoid): - Amantadine: concurrent use may increase central nervous system side effects. - Other NMDA antagonists: additive neurotoxic risk. - Strong CYP450 inhibitors (e.g., quinidine): may raise memantine plasma concentrations.

Moderate Interactions (Monitor Closely): - Loop diuretics (e.g., furosemide): can elevate memantine levels. - Anticholinesterase inhibitors: monitor for enhanced therapeutic or adverse effects. - Alcohol: may exacerbate dizziness and sedation.

Frequently asked questions

What is Memantina Krka used for?+
Memantina Krka contains memantine, an NMDA receptor antagonist prescribed for the symptomatic treatment of moderate to severe Alzheimer’s disease. It helps improve cognition, memory, and daily functioning in patients with established disease, but it does not cure the underlying condition.
How does memantine work in the brain?+
Memantine blocks excessive activation of NMDA receptors by glutamate, limiting calcium influx that can cause neuronal injury. By moderating this excitotoxic pathway while preserving normal synaptic activity, it helps protect brain cells and supports cognitive function in Alzheimer’s disease.
What is the usual dose of Memantina Krka?+
The appropriate dose of Memantina Krka is determined by the prescribing clinician based on the patient’s clinical status, renal function, and tolerability. Dosage adjustments are individualized, and patients should follow the prescriber’s instructions without self‑adjusting the regimen.
Is Memantina Krka safe during pregnancy or breastfeeding?+
Safety data for memantine in pregnancy and lactation are limited. It is generally advised to avoid use unless the potential benefit outweighs the possible risk to the fetus or infant. Women who are pregnant, planning pregnancy, or breastfeeding should discuss alternatives with their healthcare provider.
How do I order Memantina Krka 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 Memantina Krka compare with other Alzheimer’s drugs?+
Memantine belongs to the NMDA antagonist class, whereas other approved agents such as donepezil, rivastigmine, and galantamine are acetylcholinesterase inhibitors. Memantine is typically used in moderate to severe stages, often in combination with an acetylcholinesterase inhibitor, offering a complementary mechanism of action.
What are the storage requirements for Memantina Krka?+
Memantina Krka should be stored at room temperature, below 25 °C, in its original packaging. Protect the tablets from moisture, excessive heat, and direct sunlight to maintain product stability throughout its shelf life.
How is Memantina Krka administered?+
Memantina Krka is taken orally, usually once daily with or without food, as directed by the prescriber. The tablet 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 Memantina Krka?+
Serious adverse events, though uncommon, include seizures, severe allergic reactions such as rash or angioedema, hepatic dysfunction, and rare skin conditions like Stevens‑Johnson syndrome. Patients should seek immediate medical attention if they experience any of these symptoms.
Who should not use Memantina Krka?+
Memantina Krka is contraindicated in patients with known hypersensitivity to memantine or any tablet excipients. Caution is advised for individuals with severe renal impairment, uncontrolled epilepsy, or those taking other NMDA antagonists, as the risk of adverse effects may be heightened.
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
Krka, D.D., Novo Mesto
Origin
EU

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