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Namenda - Uses & Side Effects

Namenda (Memantine) is was approved in October 2003 by the FDA. It is the first Alzheimer drug of this type approved in the United States. Memantine is classified as a N-methyl-D-aspartate (NMDA) receptor antagonist. It is called a glutaminergic agen

Namenda Dosage

Namenda is produced by Merz and co., Germany. The recommended dosage starts at 5mg once a day. The dose is gradually increased to 10mgs twice a day. (Total dose 20mgs)

Uses of Namenda

• Namenda is used to treat moderate to severe confusion (dementia) related to Alzheimer's disease.
• In those who respond to the drug improvement is seen in cognitive and behavioral functions and in day to day living skills.

Side Effects of Namenda

Side effects cannot be anticipated. If any develop or change in intensity, tell your doctor as soon as possible. Only your doctor can determine if it is safe to continue using Namenda. Side effects may include:

• Confusion
• constipation
• coughing
• dizziness
• hallucinations
• headache
• high blood pressure
• pain
• sleepiness
• vomiting

Warnings and precautions before taking Namenda:

• Namenda is not recommended for use in patients who have severe kidney impairment.
• Certain conditions can alter the alkaline balance of the urine, which may cause a buildup of Namenda in the body. Be sure to tell the doctor about any major dietary changes, kidney problems such as renal acidosis, or urinary tract infections.
• This drug may make you dizzy; use caution engaging in activities requiring alertness such as driving or using machinery. Limit alcoholic beverages.
• This medication should be used only when clearly needed during pregnancy. Discuss the risks and benefits with your doctor.

Drug Interaction :- If Namenda is taken with certain other drugs, the effects of either could be increased, decreased, or altered. It is especially important to check with the doctor before combining Namenda with the following:

• Amantadine (Symmetrel)
  
• Cimetadine (Tagamet, Tagamet HB)
  
• Cough suppressants that contain dextromethorphan (usually denoted as "DM")
  
• Glaucoma drugs such as Diamox and Neptazane
  
• Hydrochlorothiazide (HydroDIURIL)
  
• Ketamine (Ketalar)
  
• Nicotine (Nicoderm patch, Nicorette gum)

Overdose

Any medication taken in excess can have serious consequences. If you suspect an overdose, seek emergency treatment immediately. Symptoms of overdose may include:

• Loss of consciousness, hallucinations, psychosis, restlessness, sleepiness, stupor