Dihydro Donepezil is primarily used in the treatment of cognitive disorders, particularly Alzheimer's disease. It functions by inhibiting acetylcholinesterase, an enzyme that breaks down acetylcholine, thereby increasing the levels of this neurotransmitter in the brain. This helps to improve memory, attention, and other cognitive functions in patients with Alzheimer's. It is also being explored for potential benefits in other neurodegenerative conditions and cognitive impairments associated with aging or brain injuries. The compound is typically administered orally and is part of a broader therapeutic strategy that may include other medications and lifestyle interventions to manage symptoms and slow disease progression.