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Prescription vs.OTC: Prescription by Doctor required

Memantine is used for the treatment of moderate to severe dementia (confusion) associated with Alzheimer's disease. It cannot cure the disease but it can help the effected person by improving his awareness, memory and ability to perform different types of routinely functions. It works on the substance glutamate in our brain by acting as an NMDA receptor antagonist, which may help in the reduction of the symptoms related to Alzheimer's disease.

You should refain from taking Memantine if you have any kind of allergy to it or any ingredient used in it. You should also consult your doctor before taking it if you are pregnant, plan on becoming pregnant, or breastfeeding, taking any herbal preparations, supplements or any other medications, have or had seizures, kidney problems, liver or bladder problems, or any urinary tract infection.

Memantine do not have any major side effects but some common side effects you may experience after taking it are vomiting, diarrhoea, nausea, dizziness, insomnia, headache, costipation, cystitis, drowsiness, hallucinations, and increased libido. If any of these effects continue for prolonged periods or becomes bothersome then you should see a doctor immeiately.

Memantine is available as liquid solutions and as capsules to be taken orally. The initial recommended dosage is 2.5ml or 5mg once a day for a week. After that the dose should be increased by 2.5ml or 5mg every week until it comes to 10ml or 20mg per day, beyond which you should not increase the dose any further. Also, from the second week, as you start increasing the dosage it should be taken twice a day in equal amounts.

Information given here is based on the salt and content of the medicine. Effect and uses of medicine may vary from person to person. It is advicable to consult a Psychiatrist before using this medicine.

In addition to its intended effect, Memantine may cause some unwanted effects too. In such cases, you must seek medical attention immediately. This is not an exhaustive list of side effects. Please inform your doctor if you experience any adverse reaction to the medication.



Is It safe with alcohol?

Interaction with alcohol is unknown. Please consult your doctor.

Are there any pregnancy warnings?

Larentine 5mg tablet is probably safe to use during pregnancy.
Animal studies have shown low or no adverse effect on the foetus, however, there are limited human studies. Please consult your doctor.

Are there any breast-feeding warnings?

Unknown. Human and animal studies are not available. Please consult your doctor.

Is it safe to drive while on this medicine?

Caution is advised when driving or operating machinery.

Does this affect kidney function?

There is no interaction between renal impairment and consuming this drug. So dose alteration is not needed.

Does this affect liver function?

There is no data available. Please consult doctor before consuming the drug.

Are there any missed dose instructions?

If you miss a dose of Memantine, skip it and continue with your normal schedule. Do not double the dose.
Below is the list of medicines, which contains Memantine as ingredient
Altius Life Sciences
Alkem Laboratories Ltd
Sun Pharmaceutical Industries Ltd
La Renon Healthcare Pvt Ltd
Sun Pharmaceutical Industries Ltd
Intas Pharmaceuticals Ltd
Lundbeck India Pvt Ltd
Alkem Laboratories Ltd
Intas Pharmaceuticals Ltd
Altius Life Sciences
La Renon Healthcare Pvt Ltd
La Renon Healthcare Pvt Ltd
D D Pharmaceuticals
Zydus Cadila
Micro Labs Ltd
Sun Pharmaceutical Industries Ltd
Intas Pharmaceuticals Ltd
Intas Pharmaceuticals Ltd
Sun Pharmaceutical Industries Ltd
Torrent Pharmaceuticals Ltd
Sun Pharmaceutical Industries Ltd
Memantine This drug is used in the treatment of Alzheimer’s disease. Memantine works by exercising its action via NMDA receptor antagonism, by binding judiciously to the NMDA receptor-administered cation pathways.
What are you using Memantine for?
Alzheimer's Disease
How much was the improvement?
How long did it take before seeing improvement?
More than 2 days
How frequently did you take this medicine?
Not taking on daily level
Once a day
How did you take this medicine?
With or without food
With Food
What were the side effects of this medicine?
Disclaimer: The information produced here is best of our knowledge and experience and we have tried our best to make it as accurate and up-to-date as possible, but we would like to request that it should not be treated as a substitute for professional advice, diagnosis or treatment.

Lybrate is a medium to provide our audience with the common information on medicines and does not guarantee its accuracy or exhaustiveness. Even if there is no mention of a warning for any drug or combination, it never means that we are claiming that the drug or combination is safe for consumption without any proper consultation with an expert.

Lybrate does not take responsibility for any aspect of medicines or treatments. If you have any doubts about your medication, we strongly recommend you to see a doctor immediately.

Popular Questions & Answers

I'm taking memantine 10 mg I feel drowsiness and too much sweat and tired fast heartbeat. And too much hunger what shall I do. Should I stop it or reduce the dose.

MD - Homeopathy, BHMS
Homeopath, Vadodara
I'm taking memantine 10 mg I feel drowsiness and too much sweat and tired fast heartbeat. And too much hunger what sh...
Any change in the Medicine should always be done with the Consult with the doctor who prescribed it... Never do it self... It can cause major side effects..
1 person found this helpful

Dear doctor we have a patient of o.c.d. It's now known fact that it's due to hyper activity of mglur5. Proven medication is not available and are under development. You are requested to kindly help us by informing the safest method to block it like zinc nootropics (eg. Memantine, inositol) or as you know better like ayurvedic, homeopathic remedies). We will be highly obliged and thankful to you. You are requested to write with dosage etc.

Psychiatrist, Bangalore
Dear lybrate-user, Any new drug undergoes many stages in research. For every 10000 drugs discovered, harly one drug comes out after the 3 stages of drug development. Mglur5 is still in animal studies stage. It may take another 10 or more long year...
1 person found this helpful

I am having OCD for some years. Now taking Flovoxin credit 100 2tabs daily. But not much relief.

D.P.M(psychiatry) [Diploma in Psychological medicine] , MBBS
Sexologist, Jalna
Hi, ocd is frequently difficult to treat. It frequently requires augmentation and use of high doses. Behaviour therapy is a good mode of treatment to be used alongside medicines. Fluvoxamine could be augmented with memantine or low dose risperidon...
1 person found this helpful

My husband diagnosed dementia 2 years ago he is taking dompan forte can we stop donupmfort.

MBBS Bachelor of Medicine and Bachelor of Surgery, MD - Psychiatry
Psychiatrist, Hyderabad
My husband diagnosed dementia 2 years ago he is taking dompan forte can we stop donupmfort.
donupmforte sems to be a combination.od Donepezil and Memantine These medications have an effect in the milder varieties only.Positive care of tje patient is very essecial.Dementia is a neuro degenerative dis order and medicines do not alter its c...
1 person found this helpful

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Table of Content
About Memantine
When is Memantine prescribed?
What are the side effects of Memantine ?
Key highlights of Memantine
What are the dosage instructions?
Medicines containing Memantine
How does medicine works?