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What is Namenda?

Namenda reduces the actions of chemicals in the brain that may contribute to the symptoms of Alzheimer's disease.

Namenda is used to treat moderate to severe dementia of the Alzheimer's type.

Namenda may also be used for other purposes not listed in this medication guide.

What is the most important information I should know about Namenda?

Before using Namenda, tell your doctor if you are allergic to any drugs, or if you have a seizure disorder, cataracts, liver or kidney disease, or a bladder or kidney infection.

Namenda 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 should I discuss with my healthcare provider before taking Namenda?

Do not use this medication if you are allergic to Namenda.

Before using Namenda, tell your doctor if you are allergic to any drugs, or if you have:

• epilepsy or other seizure disorder;

• cataracts;

• liver disease;

• kidney disease; or

• a bladder or kidney infection.

If you have any of these conditions, you may need a dose adjustment or special tests to safely take Namenda.

FDA pregnancy category B. This medication is not expected to be harmful to an unborn baby. Tell your doctor if you are pregnant or plan to become pregnant during treatment. It is not known whether Namenda passes into breast milk or if it could harm a nursing baby. Do not use this medication without telling your doctor if you are breast-feeding a baby. 

How should I take Namenda?

Take this medication exactly as it was prescribed for you. Do not take the medication in larger amounts, or take it for longer than recommended by your doctor. Follow the directions on your prescription label.

Your doctor may occasionally change your dose to make sure you get the best results from this medication.

Take this medicine with a full glass of water.

Namenda can be taken with or without food.

The liquid (oral solution) form of this medication comes with patient instructions for safe and effective use. Follow these directions carefully. Ask your doctor or pharmacist if you have any questions.

Do not mix the oral solution with any other liquids.

Rinse the empty oral syringe with clean water and allow it to air dry after every use.

It is important to use Namenda regularly to get the most benefit. Get your prescription refilled before you run out of medicine completely.

To be sure this medication is helping your condition, and is not causing harmful effects, doctor will need to check your progress on a regular basis. Do not miss any scheduled appointments.

Store Namenda at room temperature away from moisture and heat. Keep the liquid medicine bottle tightly closed with the cap provided. Do not store the bottle with the oral syringe in it.

What happens if I miss a dose?

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?

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 Namenda?

Namenda 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.

Namenda side effects

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 Namenda 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 all;

• pale skin, easy bruising or bleeding, unusual weakness; or

• increased blood pressure (severe headache, blurred vision, trouble concentrating, chest pain, numbness, seizure).

Less serious side effects may include:

• nausea, vomiting, diarrhea, constipation, loss of appetite;

• dizziness, tired feeling;

• weight loss;

• swelling in your hands or feet;

• fast heart rate;

• easy bruising or bleeding, unusual weakness;

• joint pain;

• anxiety, aggression;

• skin rash;

• redness or swelling of or around your eyes; or

• urinating more than usual.

This is not a complete list of side effects and others may occur. Tell your doctor about any unusual or bothersome side effect.

What other drugs will affect Namenda?

Before taking Namenda, 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 Namenda. 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 Namenda.

Orders are sent by Registered Air Mail. Delivery time is typically 10 business days after we have sent the order, though it can take longer.

We ship to:

• Europe: Spain, Portugal, France, Italy, Germany, UK, Belgium and many others.
• South America: Argentine, Colombia, Brasil, Venezuela, Chile, and many others.
• North America: USA, Canada and Mexico.