Namenda contains the active ingredient memantine hydrochloride, which is an NMDA receptor antagonist. It is available as an oral solution with a strength of 2 mg/mL. The solution includes inactive ingredients such as sucralose, methylparaben, and peppermint flavor among others.
How should I use this medication?
Take this medication by mouth. Follow the directions on the prescription label. Use the oral dosing syringe provided to correctly measure the dose. Ask your pharmacist how to use the oral dosing syringe if you are not sure. You can take this medication with or without food. Take your doses at regular intervals. Do not take your medication more often than directed. Continue to take your medication even if you feel better. Do not stop taking except on the advice of your care team. Talk to your care team about the use of this medication in children. Special care may be needed.
Overdosage: If you think you have taken too much of this medicine contact a poison control center or emergency room at once. NOTE: This medicine is only for you. Do not share this medicine with others.
What if I miss a dose?
If you miss a dose, take it as soon as you can. If it is almost time for your next dose, take only that dose. Do not take double or extra doses. If you do not take your medication for several days, contact your care team. Your dose may need to be changed.
Where should I keep my medication?
Keep out of the reach of children. Store at room temperature between 15 degrees and 30 degrees C (59 degrees and 86 degrees F). Throw away any unused medication after the expiration date.
NOTE: This sheet is a summary. It may not cover all possible information. If you have questions about this medicine, talk to your doctor, pharmacist, or health care provider.
What side effects may I notice from receiving this medication?
Side effects that you should report to your care team as soon as possible: -Allergic reactions—skin rash, itching, hives, swelling of the face, lips, tongue, or throat Side effects that usually do not require medical attention (report to your care team if they continue or are bothersome): -Confusion -Constipation -Diarrhea -Dizziness -Headache
This list may not describe all possible side effects. Call your doctor for medical advice about side effects. You may report side effects to FDA at 1-800-FDA-1088.
What should I tell my care team before I take this medication?
They need to know if you have any of these conditions: -Kidney disease -Liver disease -Seizures -Trouble passing urine -An unusual or allergic reaction to memantine, other medications, foods, dyes, or preservatives -Pregnant or trying to get pregnant -Breast-feeding
What may interact with this medication?
-Acetazolamide -Amantadine -Cimetidine -Dextromethorphan -Dofetilide -Hydrochlorothiazide -Ketamine -Methazolamide -Metformin -Quinidine -Ranitidine -Sodium bicarbonate -Triamterene
This list may not describe all possible interactions. Give your health care provider a list of all the medicines, herbs, non-prescription drugs, or dietary supplements you use. Also tell them if you smoke, drink alcohol, or use illegal drugs. Some items may interact with your medicine.
What should I watch for while using this medication?
Visit your care team for regular checks on your progress. Check with your care team if there is no improvement in your symptoms or if they get worse. This medication may affect your coordination, reaction time, or judgment. Do not drive or operate machinery until you know how this medication affects you. Sit up or stand slowly to reduce the risk of dizzy or fainting spells. Drinking alcohol with this medication can increase the risk of these side effects.
Source: This information is sourced from Elsevier Inc.
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