SPL Set ID: 33a15c3f-bec0-4703-a4e9-f8f78f8b5fd3

Doxepin hydrochloride, USP is one of a class of psychotherapeutic agents known as dibenzoxepin tricyclic compounds. The molecular formula of the compound is C 19 H 21 NO ∙ HCl having a molecular weight of 316. It is a white crystalline solid readily soluble in water, lower alcohols and chloroform. It may be represented by the following structural formula: Doxepin HCl Chemically, doxepin hydrochloride, USP is a dibenzoxepin derivative and is the first of a family of tricyclic psychotherapeutic agents. Specifically, it is an isomeric mixture of 1-Propanamine, 3-dibenz[ b,e ]oxepin-11 (6 H )ylidene- N,N -dimethyl-,hydrochloride. Each 10 mg, 25 mg, 50 mg, 75 mg and 100 mg doxepin capsule for oral administration contains doxepin hydrochloride, USP equivalent to 10 mg, 25 mg, 50 mg, 75 mg and 100 mg of doxepin, respectively and the following inactive ingredients: colloidal silicon dioxide, magnesium stearate, microcrystalline cellulose, pregelatinized starch and sodium lauryl sulfate. The empty gelatin capsule shells contain gelatin and titanium dioxide. In addition, the 10 mg empty gelatin capsule shells contain yellow iron oxide, 25 mg and 50 mg empty gelatin capsule shells contain D&C Yellow No. 10 and FD&C Yellow No. 6 and the 75 mg and 100 mg empty gelatin capsule shells contain yellow iron oxide and FD&C Blue No. 1. Black ink contains shellac glaze, isopropyl alcohol, black iron oxide, n-butyl alcohol, propylene glycol, and ammonium hydroxide. image description