namzaric - Medication Listings

NAMZARIC contains memantine, an orally active NMDA receptor antagonist, as the hydrochloride salt and donepezil, a reversible inhibitor of the enzyme acetylcholinesterase, as the hydrochloride salt. Memantine Hydrochloride The chemical name for memantine hydrochloride is 1-amino-3,5-dimethyladamantane hydrochloride with the following structural formula: The molecular formula is C 12 H 21 N•HCl and the molecular weight is 215.76. Memantine hydrochloride occurs as a fine white to off-white powder. Donepezil Hydrochloride The chemical name for donepezil hydrochloride is 2,3-dihydro-5,6-dimethoxy-2-[[1-(phenylmethyl)-4-piperidinyl]methyl]-1H-inden-1-one hydrochloride. The molecular formula is C 24 H 29 NO 3 •HCl and the molecular weight is 415.96. Donepezil hydrochloride is a white crystalline powder. NAMZARIC extended-release capsules contain 7 mg, 14, 21 mg or 28 mg memantine hydrochloride, 10 mg donepezil hydrochloride, and the following inactive ingredients: colloidal silicon dioxide, corn starch, ethylcellulose, hypromellose, lactose monohydrate, magnesium stearate, medium chain triglycerides, microcrystalline cellulose, oleic acid, polyethylene glycol, povidone, sugar spheres, and talc. The capsule shells contain gelatin and titanium dioxide and are imprinted with shellac glaze and black iron oxide. Colorants are FD&C Blue No. 1 (7 mg/10 mg, 14 mg/10 mg, 28 mg/10 mg), FD&C Yellow No. 6 (7 mg/10 mg, 21 mg/10 mg), red iron oxide (7 mg/10 mg, 21 mg/10 mg), and yellow iron oxide (7 mg/10 mg, 14 mg/10 mg, 21 mg/10 mg). structural formula donepezil hydrochloride