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Namenda Patient Information including If I Miss a Dose
In this Article
- What is memantine (Namenda)?
- What are the possible side effects of memantine (Namenda)?
- What is the most important information I should know about memantine (Namenda)?
- What should I discuss with my healthcare provider before taking memantine (Namenda)?
- How should I take memantine (Namenda)?
- What happens if I miss a dose (Namenda)?
- What happens if I overdose (Namenda)?
- What should I avoid while taking memantine (Namenda)?
- What other drugs will affect memantine (Namenda)?
- Where can I get more information?
What happens if I miss a dose (Namenda)?
Take the missed dose as soon as you remember. If it is almost time for your next dose, skip the missed dose and take the medicine at your next regularly scheduled time. Do not take extra medicine to make up the missed dose.
What happens if I overdose (Namenda)?
Seek emergency medical attention if you think you have used too much of this medicine.
Overdose symptoms may include restlessness, drowsiness, unusual behavior, hallucinations, feeling light-headed, or fainting.
What should I avoid while taking memantine (Namenda)?
Memantine can cause side effects that may impair your thinking or reactions. Be careful if you drive or do anything that requires you to be awake and alert.
What other drugs will affect memantine (Namenda)?
Before taking memantine, tell your doctor if you are using any of the following drugs:
- cimetidine (Tagamet);
- nicotine (Commit, Habitrol, Nicoderm, Nicotrol, Nicorette);
- ranitidine (Zantac);
- quinidine (Cardioquin, Quinadex, Quinaglute);
- sodium bicarbonate (Alka-Seltzer, baking soda antacid home remedy);
- antiviral medication such as amantadine (Symmetrel) or rimantadine (Flumadine);
- cold or cough medicine that contains dextromethorphan;
- a diuretic (water pill) such as hydrochlorothiazide (HCTZ, HydroDiuril, Hyzaar, Lopressor, Vasoretic, Zestoretic) or triamterene (Dyrenium, Maxzide, Dyazide);
- medicine to treat glaucoma, such as acetazolamide (Diamox), dichlorphenamide (Daranide), or methazolamide (Neptazane, MZM, Glauctabs); or
- an oral diabetes medicine that contains metformin (such as Fortamet, Glucophage, Actoplus Met, Avanda met, Metaglip, Glucovance).
This list is not complete and there may be other drugs that can interact with memantine. Tell your doctor about all the prescription and over-the-counter medications you use. This includes vitamins, minerals, herbal products, and drugs prescribed by other doctors. Do not start using a new medication without telling your doctor.
Where can I get more information?
Your pharmacist can provide more information about memantine.
Remember, keep this and all other medicines out of the reach of children, never share your medicines with others, and use this medication only for the indication prescribed.
Every effort has been made to ensure that the information provided by Cerner Multum, Inc. ('Multum') is accurate, up-to-date, and complete, but no guarantee is made to that effect. Drug information contained herein may be time sensitive. Multum information has been compiled for use by healthcare practitioners and consumers in the United States and therefore Multum does not warrant that uses outside of the United States are appropriate, unless specifically indicated otherwise. Multum's drug information does not endorse drugs, diagnose patients or recommend therapy. Multum's drug information is an informational resource designed to assist licensed healthcare practitioners in caring for their patients and/or to serve consumers viewing this service as a supplement to, and not a substitute for, the expertise, skill, knowledge and judgment of healthcare practitioners. The absence of a warning for a given drug or drug combination in no way should be construed to indicate that the drug or drug combination is safe, effective or appropriate for any given patient. Multum does not assume any responsibility for any aspect of healthcare administered with the aid of information Multum provides. The information contained herein is not intended to cover all possible uses, directions, precautions, warnings, drug interactions, allergic reactions, or adverse effects. If you have questions about the drugs you are taking, check with your doctor, nurse or pharmacist.
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Additional Namenda Information
- Namenda Drug Interactions Center: memantine oral
- Namenda Side Effects Center
- Namenda Overview including Precautions
- Namenda FDA Approved Prescribing Information including Dosage
Namenda - User Reviews
Namenda User Reviews
Now you can gain knowledge and insight about a drug treatment with Patient Discussions.
Report Problems to the Food and Drug Administration
You are encouraged to report negative side effects of prescription drugs to the FDA. Visit the FDA MedWatch website or call 1-800-FDA-1088.
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