Indications
Namenda (active ingredient: memantine) is a prescription medication indicated for:
- Alzheimer's Disease: Namenda is used for the treatment of moderate to severe dementia of the Alzheimer's type. It helps to improve symptoms such as memory loss, confusion, and problems with thinking and reasoning.
Namenda belongs to a class of drugs known as N-methyl-D-aspartate (NMDA) receptor antagonists, which work by regulating the activity of glutamate, a chemical messenger involved in brain function. By blocking NMDA receptors, Namenda helps to prevent excessive activation of glutamate, which can contribute to neurodegeneration.
Uses and Dosage
Memantine comes in the form of a tablet to take by mouth with or without food as directed by your doctor. When you first start taking this medication, you will usually take it once daily but once your dose increases to more than 5 milligrams per day. To reduce your risk of side effects, your doctor may direct you to start this medication at a low dose and gradually increase your dose. Follow your doctor's instructions carefully.
The recommended starting dose of NAMENDA is 5 mg (2.5 mL) once daily. The dose should be increased in 5 mg increments to 10 mg/day, 15 mg/day, and 20 mg/day. The minimum recommended interval between dose increases is one week. The dosage shown to be effective in controlled clinical trials is 20 mg/day.
Side Effect
Common Side Effects of Namenda (Memantine):
- Aggression
- Confusion
- Constipation
- Cough
- Depression
- Diarrhea
- Dizziness
- Headache
- Nausea
- Pain anywhere in your body, especially your back
- Sleepiness
- Vomiting
- Weight gain
Serious Side Effects of Namenda (Memantine):
- Hallucination (seeing things or hearing voices that do not exist)
- Seizure (convulsions)
- Severe headache, blurred vision, pounding in your neck or ears
- Shortness of breath
- Unusual changes in mood or behavior
Form and Strength
Namenda (Memantine) is available in the following forms and strength:
Namenda: Tablet
- 10 mg
- 20 mg
Memantine: Tablet
- 5 mg
- 10 mg
Caution
- Before taking Memantine, talk to your pharmacist about allergies to inactive ingredients that may cause reactions or other problems. It may contain inactive ingredients which can cause allergic reactions or other problems.
- If you are taking Namenda, keep in mind that it may cause dizziness. Consumption of alcohol or marijuana (cannabis) can exacerbate this side effect. Limit the intake of alcoholic beverages and consult with your doctor if you are using marijuana (cannabis) while taking this medication.
- If you take Namenda, be cautious when performing tasks that require you to be alert and awake as it may cause side effects that can impair your thinking or reactions.
- Talk to your doctor or pharmacist about your medical history, especially kidney problems, severe urinary tract infections, and any recent dietary changes (such as from a high protein to vegetarian diet) before taking Memantine.
- While taking memantine is to continue taking it, even if you feel better. Do not stop taking the medication without first consulting with your doctor or healthcare professional. They can advise on any potential risks and provide guidance on the appropriate course of action.
Frequently Asked Questions (FAQ)
How long does it take for Memantine to start working?
The effects of memantine vary from person to person, but it may take several weeks for the medication to start working.
Can memantine be taken alongside other medications?
Consult with your doctor before taking memantine alongside other medications, as certain drug interactions may occur.
Is memantine effective in treating all types of dementia?
Memantine is primarily used to treat Alzheimer's disease, but it may also be used for other types of dementia in certain cases.
How is memantine taken?
Memantine is typically taken orally, once per day. The dosage and duration of treatment will depend on several factors, including the severity of the condition being treated.
Does memantine cure Alzheimer's disease?
No, memantine does not cure Alzheimer's disease. It is used to help manage symptoms and improve cognitive function.
Is memantine habit-forming?
No, memantine is not known to be habit-forming.
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