Memantine reduces the actions of chemicals in the brain that may contribute to the symptoms of Alzheimer’s disease. It is used to treat moderate to severe dementia of the Alzheimer’s type. Besides, it may also be used for purposes not listed in this medication guide.
You should not use memantine if you are allergic to it.
To make sure memantine is safe for you, tell your doctor if you have:
- epilepsy or other seizure disorder;
- liver disease;
- kidney disease;
- urination problems; or
- a bladder or kidney infection.
memantine is not expected to harm an unborn baby. Tell your doctor if you are pregnant or plan to become pregnant.
It is not known whether memantine passes into breast milk or if it could harm a nursing baby. Tell your doctor if you are breast-feeding a baby.
Follow all directions on your prescription label. Your doctor may occasionally change your dose to make sure you get the best results. Do not take this medicine in larger or smaller amounts or for longer than recommended.
Memantine can be taken with or without food.
Do not crush, chew, break, or open an extended-release capsule. Swallow it whole.
To make swallowing easier, you may open the extended-release capsule and sprinkle the medicine into a spoonful of applesauce. Swallow right away without chewing. Do not save the mixture for later use.
Measure liquid medicine (oral solution) with the dosing syringe provided, or with a special dose-measuring spoon or medicine cup. If you do not have a dose-measuring device, ask your pharmacist for one.
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.
Use memantine regularly to get the most benefit. Get your prescription refilled before you run out of medicine completely.
Your doctor will need to check your progress while you are using memantine.
Store memantine 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.
Read all patient information, medication guides, and instruction sheets provided to you. Ask your doctor or pharmacist if you have any questions.
Get emergency medical help if you have signs of an allergic reaction: hives; difficulty breathing; swelling of your face, lips, tongue, or throat.
Call your doctor at once if you have:
- severe headache, blurred vision, pounding in your neck or ears;
- seizure (convulsions); or
- unusual changes in mood or behavior.
Common side effects may include:
- dizziness; or