This study investigated the relative bioavailability (rate and extend of absorption) of Donepezil Hydrochloride Orally Disintegrating Tablets, 10 mg by Teva Pharmaceuticals, USA with that of Aricept® Orally Disintegrating Tablets, Manufactured and Marketed by Eisai Inc., following a single oral dose (1 x 10 mg orally disintegrating tablet) in healthy adult subjects administered under non-fasting conditions.