Alzheimer's Resources
Featured Centers
- Eating Out? Cut Calories, Heartburn
- 5 Good Ways to Save Money on Medicine
- 8 Ways to Treat Your Allergies
*Dementia Facts Medically Edited by: Charles P. Davis, MD, PhD
Medical Editor: John P. Cunha, DO, FACOEP
Namenda (memantine hydrochloride) is used to treat moderate to severe Alzheimer's type dementia. It is an orally active NMDA receptor antagonist. Common side effects include tiredness, body aches, dizziness, constipation, and headache.
The recommended starting dose of Namenda is 5 mg once daily. The recommended target dose is 20 mg/day. Dosage is increased in 5 mg increments to 10 mg/day (5 mg twice a day), 15 mg/day (5 mg and 10 mg as separate doses), and 20 mg/day (10 mg twice a day). The minimum recommended interval between dose increases is one week. Namenda may interact with cimetidine, nicotine, ranitidine, quinidine, sodium bicarbonate, antiviral medication, cold or cough medicine containing dextromethorphan, diuretics (water pills), medicine to treat glaucoma, or oral diabetes medicine containing metformin. Tell your doctor all prescription and over-the-counter medications you use. Namenda should be used only when prescribed during pregnancy. It is unknown if this drug passes into breast milk. Consult your doctor before breast-feeding.
Our Namenda (memantine hydrochloride) Drug Center provides a comprehensive view of available drug information as well as related drugs, user reviews, supplements, and diseases and conditions articles.
What is Prescribing information?
The FDA package insert formatted in easy-to-find categories for health professionals and clinicians.
Namenda (memantine hydrochloride) is indicated for the treatment of moderate to severe dementia of the Alzheimer's type.
Read the complete drug monograph for Namenda »
Drug Description - Indications & Dosage - Side Effects & Drug Interactions - Warnings & Precautions - Contraindications - Medication Guide and More
What is Patient information?
Easy-to-read and understand detailed drug information and pill images for the patient or caregiver from Cerner Multum.
Get emergency medical help if you have any of these signs of an allergic reaction: hives; difficulty breathing; swelling of your face, lips, tongue, or throat.
Stop using memantine and call your doctor at once if you have any of these serious side effects:
Read the complete patient information for Namenda »
Possible Side Effects - Images - What Is - How Should I Take It - What If I Miss a Dose - What Should I Avoid and More
What is Consumer information?
A concise overview of the drug for the patient or caregiver from First DataBank.
HOW TO USE: Take this medication by mouth, with or without food. When you first start taking this medication, you will usually take it once daily. Your dose will be grad...
Read the complete consumer information for Namenda »
Warnings - Uses - How to Use - Side Effects - Precautions - Drug Interactions and More
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.
Get breaking medical news.