Donepezil is used in Alzheimer disease patients to treat which problem?

Donepezil is an acetylcholinesterase inhibitor that raises acetylcholine to improve/slow cognitive decline in Alzheimer disease.Other options: Parkinson motor symptoms are treated with levodopa/carbidopa; donepezil is not primarily for depression or insomnia.Key exam takeaway: Donepezil = cholinesterase inhibitor for Alzheimer cognitive symptoms; levodopa/carbidopa is for Parkinson.