Is dementia contagious?

Dementia is not contagious. While you are more likely to develop the disorder if you have family members who have it, being around someone with dementia does not put you at risk for contracting the condition. However, there are certain illnesses, such as HIV and syphilis, which are contagious and can cause dementia. Talk to your doctor about other possible risk factors for dementia.

Continue Learning about Dementia



Dementia refers to loss of cognitive function that affects memory along with the ability to think, solve problems and control emotions. Dementia itself is not a disease, but describes a group of symptoms caused by a brain disorder...

. There are numerous causes of dementia, including Alzheimer's disease, Huntingdon's disease and stroke. Since personality changes are common, living with dementia can be difficult for patients and caregivers alike. Learn more about dementia challenges and solutions with expert advice from Sharecare.

Important: This content reflects information from various individuals and organizations and may offer alternative or opposing points of view. It should not be used for medical advice, diagnosis or treatment. As always, you should consult with your healthcare provider about your specific health needs.