Dementia and Alzheimer's

[Ric.ror]

What is the difference between the two? And what are the different symptoms

[LazyGun]

Ric, Dementia is a non specific term used to describe the progressive dysfunction of the brain. Alzheimers is merely one of the many causes of dementia.

http://en.wikipedia.org/wiki/Dementia

Your question is imprecise, since Dementia can be regarded as a symptom </> of Alzheimers, as well as other diseases.

More specifically, the symptoms of Alzheimers can be found here;
http://www.alzheimersdisease.com/info/answers/ alzheimers-disease-symptoms.jsp