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Memantine (mem-an-teen)

Availability: In stock

Quantity Strength Unit Price Price Cart
30 Tablets Namenda 5 mg $1.00 $29.99
90 Tablets Namenda 5 mg $1.00 $89.99


Memantine is the active constituent in Namenda, which belongs to the group of medicines called psychoanaleptics. Memantine decreases the abnormal activity of brain by modulating the increased level of chemical substance called glutamate and helps in the treatment of moderate to severe Alzheimer's disease.

How Namenda Memantine acts?

Memantine belongs to NMDA (N-methyl D-aspartate) receptor antagonist and blocks the activity of neurotransmitter glutamate by binding to NMDA receptors on brain cells and reduces certain types of brain activity. Normal glutamate levels aid in memory and learning but at higher level glutamate appears to over stimulate nerve cells and kill them through excitotoxicity (neuronal death).

Memantine also act as a non-competitive antagonist at 5-HT3 receptor and has potency similar to that of NMDA receptor.

Memantine helps in remembering the things.

Who should not take Memantine?

  • Patients allergic to Memantine or its ingredients
  • Patients having history of fits or seizures or heart disorders
  • Pregnant and nursing mothers
  • Patients of urinary tract infections

What are the drug interactions of Namenda Memantine?

  • Acetyl cholinesterase inhibitors (AChE) such as Donepezil HCl
  • Drugs acting on renal area such as Hydrochlorthiazide, Quinidine, Cimetidine, Ranitidine and nicotine as these will alter plasma level of both the drugs
  • Drugs such as Amantadine, ketamine and dextromethorphan should be avoided with Memantine HCl.

How you should store Memantine?

Keep the medicine in its original packing and keep away from direct sunlight and moisture.

How you should take Memantine?

  • Generally the prescribed dose of Memantine HCl is 10 mg two times a day or 20mg per day but take it as your doctor prescription.
  • You can start it at 5mg per day dosage.
  • Memantine should be consumed only with water and do not take with alcohol.

What should be done in case of Doses if ?

Missed Dose- Do not double your dose if you missed your dose and contact your doctor in that case.

Over Dose- Overdosing of Memantine HCl leads to various side effects such as vertigo, hallucinations, hypertension, agitation, and psychosis, so take medical advice in case of overdose.

What would be the side effects of taking Namenda Memantine?

  • Breathlessness
  • Heart failure
  • Inflammation of pancreas
  • Headache
  • Vomiting, dizziness
  • Blood clotting
  • High blood pressure
  • Fungal infections
  • Back pain
  • Weight change
  • Aggression
  • Constipation
  • Insomnia

What precautions should be taken while getting Namenda Memantine?

  • Memantine makes you feel sleepy, so avoid driving or any activity that requires alertness
  • Do not consume it with alcohol as it will lead to side effects
  • Explain your entire medical history to your doctor before starting Memantine
  • Pregnant and lactating ladies should not consume this medicine
  • Do not increase or decrease the dose as per yourself without doctor consultation
  • Patients with bladder infections or who have undergone cataract should take precautions


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