"Jan. 7, 2013 -- Can commonly prescribed blood pressure pills help reduce the risk of developing dementia?
Maybe, according to a new study of 774 elderly Japanese-American men.
While it's well known that high blood pressure"...
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NAMENDA (memantine hydrochloride) is an orally active NMDA receptor antagonist. The chemical name for memantine hydrochloride is 1-amino-3,5-dimethyladamantane hydrochloride with the following structural formula:
The molecular formula is C12H21N•HCl and the molecular weight is 215.76. Memantine HCl occurs as a fine white to off-white powder and is soluble in water.
NAMENDA is available as tablets or as an oral solution. NAMENDA is available for oral administration as capsule-shaped, film-coated tablets containing 5 mg and 10 mg of memantine hydrochloride. The tablets also contain the following inactive ingredients: microcrystalline cellulose/colloidal silicon dioxide, talc, croscarmellose sodium, and magnesium stearate. In addition the following inactive ingredients are also present as components of the film coat: hypromellose, titanium dioxide, polyethylene glycol 400, FD&C yellow #6 and FD&C blue #2 (5 mg tablets), and hypromellose, titanium dioxide, macrogol/polyethylene glycol 400 and iron oxide black (10 mg tablets). NAMENDA oral solution contains memantine hydrochloride in a strength equivalent to 2 mg of memantine hydrochloride in each mL. The oral solution also contains the following inactive ingredients: sorbitol solution (70%), methylparaben, propylparaben, propylene glycol, glycerin, natural peppermint flavor #104, citric acid, sodium citrate, and purified water.
What are the possible side effects of memantine (Namenda)?
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:
- cough, chest tightness, fever, trouble breathing;
- chest pain, fast heart rate;
- confusion, hallucinations;
- sudden numbness or weakness, especially on one side of the body;
- lack of coordination;
- fainting or seizure (convulsions);
- urinating less than usual or not at...
What are the precautions when taking memantine hcl (Namenda)?
Before taking memantine, tell your doctor or pharmacist if you are allergic to it; or if you have any other allergies. This product may contain inactive ingredients which can cause allergic reactions or other problems. Talk to your pharmacist for more details.
Before using this medication, tell your doctor or pharmacist your medical history, especially of: kidney problems, severe urinary tract infections, recent dietary change (from a high-protein diet to a vegetarian diet).
This drug may make you dizzy. Do not drive, use machinery, or do any activity that requires alertness until you are sure you can perform such activities safely. Limit alcoholic beverages.
Before having surgery, tell your doctor or dentist about all the products you use (including prescription...
Last reviewed on RxList: 11/18/2013
This monograph has been modified to include the generic and brand name in many instances.
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