The drugs used to treat Alzheimer's disease

There are two main types of medication currently used to treat Alzheimer's disease, known as cholinesterase inhibitors and NMDA receptor antagonists.

Cholinesterase inhibitors include Aricept, Exelon and Reminyl.

The NMDA receptor antagonist is Ebixa.

There are no drug treatments available that can provide a cure for Alzheimer's disease.

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Dementia drug 'within a decade'

The Health Secretary Jeremy Hunt has told ITV News there may be a drug that helps patients with dementia within the next decade.