Memantine is used to treat the symptoms of Alzheimer's disease (AD; a brain disease that slowly destroys the memory and the ability to think, learn, communicate and handle daily activities). Memantine is in a class of medications called NMDA receptor antagonists.
It works by decreasing abnormal activity in the brain.
Memantine may improve the ability to think and remember or may slow the loss of these abilities in people who have AD.
However, memantine will not cure AD or prevent the loss of these abilities at some time in the future.
How To Use:
5 mg once daily.
20 mg once daily.
Dosage increased by 5 mg daily in weekly intervals as tolerated.
Week 1: 5 mg daily.
Week 2: 10 mg daily (5 mg twice daily).
Week 3: 15 mg daily (5 mg one time and 10 mg one time daily).
Week 4: 20 mg daily (10 mg twice daily).
Warnings And Precautions:
Tell your doctor and pharmacist if you are allergic to memantine, any other medications, or any of the ingredients in memantine tablets, capsules, and oral solution.
Ask your pharmacist or check the manufacturer's patient information for a list of the ingredients.
Tell your doctor and pharmacist what prescription and nonprescription medications, vitamins, nutritional supplements, and herbal products you are taking.
Be sure to mention any of the following:
Acetazolamide (Diamox); amantadine; dextromethorphan (Robitussin, others); methazolamide (Nepatazane); potassium citrate and citric acid (Cytra-K, Polycitra-K); sodium bicarbonate (Soda Mint, baking soda); and sodium citrate and citric acid (Bicitra, Oracit).
Your doctor may need to change the doses of your medications or monitor you carefully for side effects.
Tell your doctor if you have or have a urinary tract infection now or if you develop one during your treatment with memantine and if you have or have ever had seizures, difficulty urinating, or kidney or liver disease.
Tell your doctor if you are pregnant, plan to become pregnant, or are breast-feeding. If you become pregnant while taking memantine, call your doctor.
If you are having surgery, including dental surgery, tell the doctor or dentist that you are taking memantine.
Dosages of Memantine: