Each film coated tablet contains 5 mg of lemborexant.
DAYVIGO contains lemborexant, an orexin receptor antagonist. The chemical name of lemborexant is (1R,2S)-2-{[(2,4-dimethylpyrimidin-5-yl)oxy]methyl}-2-(3-fluorophenyl)-N-(5-fluoropyridin-2-yl) cyclopropanecarboxamide. The molecular formula is C22H20F2N4O2. The molecular weight is 410.42.
Lemborexant is a white to off-white powder that is practically insoluble in water.
DAYVIGO tablets are intended for oral administration.
Excipients/Inactive Ingredients: hydroxypropyl cellulose, lactose monohydrate, low-substituted hydroxypropyl cellulose, and magnesium stearate.
In addition, the film coating contains the following inactive ingredients: hypromellose 2910, polyethylene glycol 8000, talc, titanium dioxide and ferric oxide yellow for the 5 mg tablet.