Donate now See menu Shop Support line Search Home About dementia Symptoms and diagnosis Symptoms Symptoms Dementia can cause a number of different symptoms. Here we explain some of these changes and suggest practical ways to manage them. Advice Memory loss and dementia Memory loss is a distressing part of dementia, both for the person with the condition and for the people around them. Advice How does dementia change a person's behaviour? Information for carers about behaviours a person with dementia might develop. Advice Communicating and dementia Better communication can make it easier to meet the needs of the person with dementia, and for you to understand each other. Advice Aggressive behaviour and dementia Read our information for carers about why a person with dementia may behave aggressively. Advice Sight and hearing loss with dementia Sight and hearing loss are both more common as you get older. For a person with dementia, this can cause extra problems, such as confusion about what's happening around them and problems with communication. Advice Walking about These pages explain why a person with dementia may walk about. They also suggest ways to help them walk safely, and how to manage the risks. Advice How does dementia affect sleep? A person with dementia may have problems with sleeping well or at the right times. Poor sleep may make the symptoms of dementia worse. Find out how dementia affects a person's sleep. Advice Depression and dementia Learn about the causes and symptoms of depression, and possible ways to treat it for someone who is living with dementia. Think this page could be useful to someone? Share it: Sign up to get twice-monthly e-newsletter updates from Alzheimer’s Society. You can change what you receive at any time and we will never sell your details to third parties. Here’s our Privacy Policy. Useful links Jobs Working for us Contact us Publications and factsheets Training and conferences Blog Legal information Cookies Report a website problem Facebook Twitter Instagram Youtube All content © 2021 Alzheimer's Society. Registered office at Alzheimer's Society, 43-44 Crutched Friars, London, EC3N 2AE Alzheimer's Society is a registered Charity No. 296645. Registered as a company limited by guarantee and registered in England No. 2115499 We use some essential cookies to make this website work. We’d like to set additional cookies to understand how you use our site, remember your settings and assist our marketing to better support people affected by dementia. We also use cookies set by other sites to help us deliver services to you. Accept All Cookies Manage Cookies