Treating dementia

Sadly there is no cure for dementia at the moment. However there are treatments that can help. Drug treatments can be effective for some people and there are a range of medications that can help with some of the symptoms.

Drug treatments


People with dementia can be prescribed a range of medications during the course of the illness. Some are specifically for Alzheimer’s disease and others are for symptoms that may emerge as part of the dementia.

Alzheimer drugs

There is a range of Alzheimer drug treatments that can help some people. They do not cure dementia. For some people they can help to slow down the progression of the dementia for a period of time. These treatments are not successful for everyone and they may not be suitable for others.

The main drug treatments for Alzheimer’s disease are donepezil, rivastigmine, galantamine and memantine. In general donepezil rivastigmine and galantamine are used for people with mild to moderate Alzheimer’s disease. Memantine is usually prescribed to people in the middle to later stages of the disease. These are the chemical names for these drugs, the prescription may have a trade name also on the script. Ask the doctor if you are unsure. These drugs may also be used for people with Lewy body dementia and in some cases for people with vascular dementia.

Vascular dementia

People with vascular dementia often need to take medications for underlying conditions such as stroke, high blood pressure, diabetes, high cholesterol or heart problems. Controlling these conditions and adopting a healthy lifestyle by not smoking, drinking only in moderation, taking regular exercise and eating a balanced diet may help to delay the progression of this dementia.

Drugs for behavioural symptoms and depression


People with dementia may be prescribed a range of medications to help relieve behavioural symptoms and depression. These medications can include sleeping tablets, tranquillisers, anti-anxiety drugs, anti-psychotic drugs and anti-depressants. Not every person with dementia will need these medications and there are other methods to help manage these symptoms. Some people may need medication for a short period of time. A decision to prescribe these medications should involve a full assessment of the person with dementia, their physical health and well being. A Psychiatrist of Old Age may be introduced in order to carry out this assessment and help manage the symptoms. Areas such as unrecognised pain, eyesight, hearing and dental health should be explored to see if there are any other causes for the behaviour. It may be possible that a behaviour is a result of something in the environment triggering a response.

Talk to the doctor about daily routines, likes and dislikes so they can build a full picture and help to identify what is triggering a behaviour. There are lots of ways to manage symptoms and behaviours that may emerge, medication is one option which may or may not be suitable.

Working with medications

With all medication, it is important to understand what drugs are being prescribed, why they are being prescribed, what benefits they are supposed to bring, and what side-effects may emerge. Where possible, it is important for the person with dementia and a trusted person to discuss this with the prescribing doctor.

If a person with dementia is unable to participate in a discussion about medication, it is important that their family or carer understand what is being prescribed and why. Talk to the doctors and ask questions. Ask them to provide information about the medications and to write out dosages and times to take them. It is also important to give doctors feedback on any changes experienced when taking the medication, both positive and negative.

You can talk to your doctor or pharmacist about issues that may arise.  Your pharmacist may be able to provide the medications in a blister pack or a medication box which arrange medication by day and time or log onto www.dontforget.ie.  Building a relationship with one pharmacist can be helpful.

It may also be helpful for another family member or friend to be aware of the medication routine and the name of the doctor and pharmacist you work with.

For further information:

  • talk to your doctor or pharmacist.
  • visit the Alzheimer's Clinic
  • contact our national Helpline

More information

About Alzheimer Ireland

The Society was founded in 1982 by a small group of people who were caring for a family member with Alzheimer's Disease or a related dementia. Find out what we docontact us and more

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We offer a range of services for people with Alzheimer's disease and other forms of dementia, their families and carers. All our services operate using the philosophy of person centred care.

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