How long you have been taking the medicine?

Memantine uses

Memantine information

Memantine is a kind of drug called N-methyl-D-aspartate receptor antagonists. This drug protects NMDA receptors in the brain against high level of glutamate. High level of glutamate may result to brain degeneration.

Memantine indications

This medication is used in treating the symptoms of Alzheimer's disease from moderately severe to severe. This drug should increase your capacity to think and remember. This drug could also be used in other purposes not mentioned here.

Memantine warnings

Talk to your doctor first before taking this medicine you have severe kidney disease, seizure disorder or history of seizure, and an allergy to Memantine or other similar drugs. The symptoms of allergic reaction are swelling of the face, lips or tongue which may make it difficult to swallow or breathe; itching, skin rash or hives and asthma, wheezing or shortness of breath. Before taking Memantine, inform your doctor if you have any allergies to foods, dyes, preservatives or any other medicines; epilepsy, kidney disease or problems with the heart or blood vessels; or made changes in your diet. Talk to your doctor first before taking this drug if you are pregnant or breast-feeding an infant. It is not known whether this drug could cause harm to an unborn baby and a nursing infant. Ask your doctor about the benefits and harm of taking Memantine if you are pregnant or breast-feeding an infant.

Memantine intake guidelines

Follow the exact direction given by your doctor in taking Memantine. In case you did not understand the instruction, do not hesitate to ask your doctor, pharmacist or nurse to explain them to you. This drug may be taken with or without food. Make sure to follow the instruction of your doctor to get the most benefit.

Memantine dosage

You may obtain the dose from your doctor. Follow the exact dose given by your doctor. The dose will vary from person to person. The frequency and amount of the dose will depend on the disease to be treated and the condition of the patient. Do not change the dose given to you by your doctor. Change the dose only when you are told by your doctor to do so.


Memantine overdose

In case you suspect an overdose of Memantine, call your doctor or Poison Information Center immediately, or look for emergency medical attention. The symptoms of overdose with this drug are dizziness, headache, tiredness, confusion, and feel, see, or hear thing that are not there.

Memantine missed dose

In case you miss to take a dose of Memantine, skip the missed dose, wait until its time for the next dose, and only take the regularly scheduled dose. Do not take a double dose of this medication. In case, you have doubts or do not know what to do, contact your doctor at the soonest possible time.

Memantine side effects

Some of the common side effects of Memantine are dizziness, confusion, tiredness, headache and seeing, hearing or feeling things that are not there. Some side effects that are not mentioned here may occur. Talk to your doctor if you experience unusual or bothersome side effects.

Memantine drug reactions

Some drugs could affect Memantine. Talk to your doctor if you are taking medicines used for Epilepsy or fits; irregular beating of your heart; leg cramps or to relax muscles; cough, cold and flu; urinary tract infections; stomach cramps or spasms, or travel sickness; Parkinson's disease; certain mental and emotional conditions; smoking addiction; anaesthetic agents; or stomach ulcers or reflux. Some drugs that are not mentioned here may also affect this drug. Talk to your doctor if you are taking other medicines or over-the-counter medicines such as vitamins, minerals, and herbal products.


Memantine pharmaceutical active ingredients containing related brand and generic drugs:

Active ingredient is the part of the drug or medicine which is biologically active. This portion of the drug is responsible for the main action of the drug which is intended to cure or reduce the symptom or disease. The other portions of the drug which are inactive are called excipients; there role is to act as vehicle or binder. In contrast to active ingredient, the inactive ingredient's role is not significant in the cure or treatment of the disease. There can be one or more active ingredients in a drug.

Memantine available forms, composition, doses:

Form of the medicine is the form in which the medicine is marketed in the market, for example, a medicine X can be in the form of capsule or the form of chewable tablet or the form of tablet. Sometimes same medicine can be available as injection form. Each medicine cannot be in all forms but can be marketed in 1, 2, or 3 forms which the pharmaceutical company decided based on various background research results.
Composition is the list of ingredients which combinedly form a medicine. Both active ingredients and inactive ingredients form the composition. The active ingredient gives the desired therapeutic effect whereas the inactive ingredient helps in making the medicine stable.
Doses are various strengths of the medicine like 10mg, 20mg, 30mg and so on. Each medicine comes in various doses which is decided by the manufacturer, that is, pharmaceutical company. The dose is decided on the severity of the symptom or disease.

Namenda 10 mg tablet3.38 USD
Namenda 5 mg tablet3.32 USD
Namenda 5-10 mg titration pk3.32 USD
Tablets; Oral; Memantine Hydrochloride 10 mg
Tablets; Oral; Memantine Hydrochloride 5 mg

Memantine destination | category:

Destination is defined as the organism to which the drug or medicine is targeted. For most of the drugs what we discuss, human is the drug destination.
Drug category can be defined as major classification of the drug. For example, an antihistaminic or an antipyretic or anti anginal or pain killer, anti-inflammatory or so.

Memantine Anatomical Therapeutic Chemical codes:

A medicine is classified depending on the organ or system it acts [Anatomical], based on what result it gives on what disease, symptom [Therapeutical], based on chemical composition [Chemical]. It is called as ATC code. The code is based on Active ingredients of the medicine. A medicine can have different codes as sometimes it acts on different organs for different indications. Same way, different brands with same active ingredients and same indications can have same ATC code.

Memantine pharmaceutical companies:

Pharmaceutical companies are drug manufacturing companies that help in complete development of the drug from the background research to formation, clinical trials, release of the drug into the market and marketing of the drug.
Researchers are the persons who are responsible for the scientific research and is responsible for all the background clinical trials that resulted in the development of the drug.



  2. "memantine". (accessed August 28, 2018).
  3. "memantine". (accessed August 28, 2018).

Frequently asked Questions

Can i drive or operate heavy machine after consuming Memantine?

Depending on the reaction of the Memantine after taken, if you are feeling dizziness, drowsiness or any weakness as a reaction on your body, Then consider Memantine not safe to drive or operate heavy machine after consumption. Meaning that, do not drive or operate heavy duty machines after taking the capsule if the capsule has a strange reaction on your body like dizziness, drowsiness. As prescribed by a pharmacist, it is dangerous to take alcohol while taking medicines as it exposed patients to drowsiness and health risk. Please take note of such effect most especially when taking Primosa capsule. It's advisable to consult your doctor on time for a proper recommendation and medical consultations.

Is Memantine addictive or habit forming?

Medicines are not designed with the mind of creating an addiction or abuse on the health of the users. Addictive Medicine is categorically called Controlled substances by the government. For instance, Schedule H or X in India and schedule II-V in the US are controlled substances.

Please consult the medicine instruction manual on how to use and ensure it is not a controlled substance.In conclusion, self medication is a killer to your health. Consult your doctor for a proper prescription, recommendation, and guidiance.


Review conducted a study on Memantine, and the result of the survey is set out below. It is noteworthy that the product of the survey is based on the perception and impressions of the visitors of the website as well as the views of Memantine consumers. We, as a result of this, advice that you do not base your therapeutic or medical decisions on this result, but rather consult your certified medical experts for their recommendations.

Visitor reports

Visitor reported useful

No survey data has been collected yet

Visitor reported side effects

No survey data has been collected yet

Visitor reported price estimates

No survey data has been collected yet

One visitor reported frequency of use

How often in a day do you take the medicine?
Are you taking the Memantine drug as prescribed by the doctor?

Few medications can be taken Twice in a day more than prescribed when the doctor's advice mentions the medicine can be taken according to frequency or severity of symptoms. Most times, be very careful and clear about the number of times you are taking the medication. The report of website users about the frequency of taking the drug Memantine is mentioned below.
Twice in a day1

Visitor reported doses

No survey data has been collected yet

One visitor reported time for results

What is the time duration Memantine drug must be taken for it to be effective or for it to reduce the symptoms?
Most chronic conditions need at least some time so the dose and the drug action gets adjusted to the body to get the desired effect. The stastistics say website users needed > 3 month to notice the result from using Memantine drug. The time needed to show improvement in health condition after using the medicine Memantine need not be same for all the users. It varies based on other factors.
> 3 month1

Visitor reported administration

No survey data has been collected yet

Visitor reported age

No survey data has been collected yet

Visitor reviews

There are no reviews yet. Be the first to write one!

Your name: 
Spam protection:  < Type 5 here

The information was verified by Dr. Rachana Salvi, MD Pharmacology

© 2002 - 2023 "". All Rights Reserved