Allergan plc and Adamas Pharmaceuticals, Inc announced that all four dosage strengths of NAMZARIC® (memantine and donepezil hydrochlorides) extended-release capsules that allow patients on donepezil 10 mg to start directly on NAMZARIC are now available by prescription in pharmacies throughout the U.S. NAMZARIC is a once-daily, fixed-dose combination of memantine hydrochloride (a NMDA receptor antagonist) and donepezil hydrochloride (an acetylcholinesterase inhibitor, AChEI) for the treatment of moderate to severe Alzheimer's Disease in patients stabilized on 10 mg of donepezil hydrochloride once daily. NAMZARIC'S new indication and dosage strengths were approved by the U.S. Food and Drug Administration (FDA) in July 2016.