ITV News | Certain Antidepressants, Sleep Aids Associated with Higher Dementia Risk Mad In America Greater cumulative doses of antihistamines, tricyclic antidepressants and other drugs that are anticholinergic or block the neurotransmitter acetylcholine are associated with significant increases in dementia and Alzheimer's, according to a study in ... Use of sleeping pills fall as link with dementia concerns doctors |