Alzheimer's Disease - Medications
At this time, there are no medicines that can prevent or cure Alzheimer's disease or that will restore normal mental abilities. Medicine may help some people function better by temporarily reducing memory loss and thinking problems. Other medicines may be needed to treat associated conditions, such as depression.
Improving memory and daily functioning
Medicines include donepezil (Aricept), galantamine (Razadyne), and rivastigmine (Exelon). These medicines, called cholinesterase inhibitors, have been approved specifically for treatment of Alzheimer's disease. Research suggested that people with moderate to severe Alzheimer's disease who took cholinesterase inhibitors experienced improvement in thinking and daily functioning when they added memantine (Namenda) to their treatment.7
All these medicines may temporarily help improve memory and daily functioning in some people who have Alzheimer's disease. The improvement varies from person to person. These medicines do not prevent the disease from getting worse, although they may slow down symptoms of mental decline.
The main decision about using medicines to treat failing mental function usually is not whether to try a medicine but when to begin and, later, when to stop treatment. Medicine treatment can be started as soon as Alzheimer's disease is diagnosed. But the person may or may not significantly improve when taking medicines, because they do not work for everyone. If the medicines are effective, they are continued until the side effects outweigh the benefits or until the person no longer responds to the medicines. For more information, see:
Treating behavior problems
Sometimes, medicine may be used to manage behaviors or symptoms that are causing strain for the person who has Alzheimer's disease and/or for his or her caregivers. Medicines generally are used only when other treatments have failed. For example, if the person still has trouble sleeping after trying regular exercise and avoiding naps, a medicine may be needed.
When it comes to disruptive behaviors, caregivers are encouraged to try to understand the reasons for the behaviors and to find other ways to manage them whenever possible. Distracting the person, avoiding situations that seem to cause the behavior, and using good communication often can help limit these behaviors.
Although other approaches to managing behaviors should always be tried first, medicines such as tranquilizers may be needed if:
- A behavior is severely disruptive or harmful to the person or to others.
- Efforts to manage or reduce disruptive behavior by making changes in the person's environment or routines have failed.
- The behavior is making the situation intolerable for the caregiver.
- The person has trouble telling the difference between what is and is not real (psychosis) in addition to dementia. Psychosis causes the person to have false beliefs (delusions) and to hear or see things that are not there (hallucinations).
Treating depression
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