Namenda is the brand of memantine which is a drug used for the treatment of moderate to severe dementia due to Alzheimer's disease. It is classified as an N-methyl-D-aspartate receptor antagonist that acts by preventing the over-stimulation of the brain that leads to the symptoms of dementia. Namenda may cause many side effects, but collaborating with a physician may help in the management of these undesired effects.
Headache
Headache is a common side effect in individuals who use Namenda. An individual who experiences this side effect may use a pain reliever, such as Tylenol, to alleviate the headache. It is important to speak with a pharmacist or physician before taking any over-the-counter medications to ensure no contraindications or precautions exist. A complete medical history of the patient is necessary to ensure proper medical care is given.
Constipation
Many individuals on Namenda may develop constipation. According the "Drug Information Handbook," about 5 percent of patients may experience this side effect. Drinking plenty of fluids and obtaining an adequate amount of fiber in the diet may help. A health care professional can provide a proper diet to help avoid constipation. Regular exercise, such as walking 15 to 30 minutes, three times a week, may also help. If constipation persists, the patient or the person who cares for him should seek medical advice. Several over-the-counter medications may treat constipation but must be recommended by a physician or pharmacist to make sure no contraindications exist.
Hypertension and Cough
Hypertension, or high blood pressure, may occur in about 4 percent of users of Namenda. If the patient has uncontrolled high blood pressure, this medication should be avoided due to the risk of raising the blood pressure to a dangerous level. If the patient feels a fast heartbeat, extreme dizziness and a headache, it may indicate an increase the blood pressure to a dangerous level which requires emergency medical care. Namenda may cause cough in about 4 percent of users. If the patient experiences a persistent cough, he or a family member should inform the physician right away.
References
- "Drug Information Handbook 15th Edition"; Lacy, Charles F., Armstrong, Lora L., et al; 2007
- "Pharmacotherapy: A Pathophysiologic Approach"; Dipiro, Joseph T., Talbert,Robert L., et al; 2008
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