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Average User Review Score
* Based on 147 reviews from across the web.

Memantine is the first in a novel class of Alzheimer's disease medications acting on the glutamatergic system by blocking NMDA receptors. It was first synthesized by Eli Lilly and Company in 1968.

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* Extracted from FDA Adverse Event Reports for all drugs with the same active ingredients.

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Druginformer Identified Side Effects: Dizziness, Confusional state, Dreamy state

Posted By Anonymous in askapatient.com on March 12, 2015 @ 12:00 am

Side Effects: Extreme dizziness, confusion, being in a dream-like state. Enough so by the third week of taking, I did not feel in control enough to drive a car. I was not on the drug long ...

Druginformer Identified Side Effects: Back pain, Hypersomnia, Walking disability, Muscular weakness, Somnolence, Adverse drug reaction

Posted By Anonymous in askapatient.com on February 11, 2015 @ 12:00 am

Side Effects: My client experienced back pain legs were so weak couldn't walk and very very fatigue all he did was fall asleep, did not find namenda helpful at all ,only made things worse. ...

Druginformer Identified Side Effects: Confusional state, Hallucination, Irritability

Posted By here to help in fdb.rxlist.com on January 23, 2015 @ 12:00 am

72 yr old husband put on Namenda 10 mg, along with 10 mg Aricept 2 times daily, for 1 week, then increased to 2 times daily. He became more confused and very argumentative and lost his sense of reason...

Druginformer Identified Side Effects: Confabulation, Hallucination

Posted By JoeWras in fdb.rxlist.com on July 13, 2014 @ 12:00 am

89 y.o. father was put on this (titrated to 28mg XR) and now is a new man. He was having hallucinations and confabulations before, and these are now gone. His short term memory is just slightly bett...

Druginformer Identified Side Effects: Adverse drug reaction

Posted By edw in fdb.rxlist.com on July 1, 2014 @ 12:00 am

I take one a day Namanda 5 plus one Galantamine HBr 8mg. Do not seem to suffer any side effects. I feel they are holding my problem steady at the moment. I tried Aricept and others but had bad side ef...

Druginformer Identified Side Effects: None

Posted By Grandmama213 in fdb.rxlist.com on June 20, 2014 @ 12:00 am

My husband was given this medication by his doctor to try to improve his memory. He was put on 5mg I a day. This seemed to work very well. It helped his memory and also made him seem more present. Jus...

Druginformer Identified Side Effects: Sedation

Posted By Anonymous in askapatient.com on June 18, 2014 @ 12:00 am

Side Effects: My grandmother has been taking it for 10 yrs we dont see it working . Ur just has her drugged up. We don't like it At all . It looks like the medicibe made her worse

Druginformer Identified Side Effects: Asthenia, Headache, Gait disturbance, Muscular weakness

Posted By Anonymous in askapatient.com on June 5, 2014 @ 12:00 am

Side Effects: headache - loss of energy - loss of balance - leg weakness no affirmative effects on me mentally but lots of negative effects physically.

Druginformer Identified Side Effects: None

Posted By Anonymous in fdb.rxlist.com on May 11, 2014 @ 12:00 am

My husband has just started using this medication and since this has lost control of his bowels. he has not been taking it long enough to determine its effectiveness,

Druginformer Identified Side Effects: Fatigue, Heart rate, Balance disorder

Posted By dot in fdb.rxlist.com on April 15, 2014 @ 12:00 am

My heart rate declining. No energy. Unsteady on my feet. Legs feel like they don't belong to me. Must hold on to something when walking. Memory seems better but side effects seem bad. I have dr a...

* Warning: The facts and figures contained in these reports are accurate to the best of our capability; however, our metrics are only meant to augment your medical knowledge, and should never be used as the sole basis for selecting a new medication. As with any medical decision, be sure to work with your doctor to ensure the best choices are made for your condition.

* About FAERS: The FDA Adverse Event Reporting System (FAERS) is used by FDA for activities such as looking for new safety concerns that might be related to a marketed product, evaluating a manufacturer's compliance to reporting regulations and responding to outside requests for information. Reporting of adverse events is a voluntary process, and not every report is sent to FDA and entered into FAERS. The FAERS database may contain duplicate reports, the report quality is variable, and many factors may influence reporting (e.g., media attention, length of time a drug is marketed, market share). For these reasons, FAERS case reports cannot be used to calculate incidence or estimates of risk for a particular product or compare risks between products.