My husband's dementia causes him to make sexual advances toward others -- and it's turning me off from wanting to be his caregiver.

Rent the movie 'Away from her' with Gordon Pinsent and Olympia Dukakis. There are some great insights on the disease without the typical stereotypes.

My father exhibited this behavior when his multi-infarct dementia reached a critical stage. He was given Tagamet, a drug intended for ulcers, but which reduces libido as a side effect. It worked.