You can take donepezil with pill without food. Remember that and other acetyl cholinesterase inhibitors increase the availability of the acetylcholine in cholinergic synapses, enhancing cholinergic transmission.
Possible side effects of Donepex include:
Donepex is used to treat diseases such as: Alzheimer's Disease, Lewy Body Dementia, Mild Cognitive Impairment.
The dosage range studied in clinical trials was 120 to 540 mg.