doxepin hydrochloride - Medications

Doxepin is a tricyclic antidepressant. The molecular formula of doxepin hydrochloride, USP is C 19 H 21 NO•HCl with a molecular weight of 315.84. It is a white crystalline solid soluble in water, lower alcohols and chloroform. Doxepin is a dibenzoxepin derivative. Specifically, it is an isomeric mixture of: 1-Propanamine, 3-dibenz[ b , e ]oxepin-11(6 H )ylidene- N , N -dimethyl-, hydrochloride. It structural formula of doxepin is shown below. Doxepin hydrochloride capsules, USP are for oral administration. Active ingredients for the capsules include: 10 mg, 25 mg, 50 mg, 75 mg, and 100 mg of doxepin (equivalent to 11.30 mg, 28.26 mg, 56.52 mg, 84.78 mg, and 113.05 mg of doxepin hydrochloride, respectively). Inactive ingredients: magnesium stearate, pregelatinised starch, silicified microcrystalline cellulose and sodium lauryl sulfate. The hard gelatin capsule shells contain gelatin, sodium lauryl sulfate and titanium dioxide. In addition, the 10 mg, 25 mg and 50 mg capsule shells contains FD&C Yellow No. 5 and FD&C Red 40; and 75 mg and 100 mg capsules shells contains D&C Yellow 10 and FD&C Green 3. The imprinting black ink contains black iron oxide, potassium hydroxide and shellac. Meets USP Dissolution Test 3. doxepin-stra.jpg

Doxepin is available in 3 mg and 6 mg strength tablets for oral administration. Each tablet contains 3.39 mg or 6.78 mg doxepin hydrochloride, USP equivalent to 3 mg and 6 mg of doxepin, respectively. Chemically, doxepin hydrochloride, USP is an (E) and (Z) geometric, isomeric mixture of 1-propanamine, 3-dibenz[ b ,e]oxepin-11(6 H )ylidene- N,N -dimethyl-hydrochloride. It has the following structure: Doxepin hydrochloride USP is a white or almost white crystalline powder, that is freely soluble in water, ethanol and dichloromethane, soluble in chloroform and in methanol. It has a molecular weight of 315.84 and molecular formula of C 19 H 21 NO•HCl. Each doxepin tablet includes the following inactive ingredients: colloidal silicon dioxide, crospovidone, magnesium stearate and microcrystalline cellulose. The 6 mg tablet contains D&C Yellow No. 10 alum lake. doxepin-tabs-structure

PRUDOXIN ® (doxepin hydrochloride) Cream, 5% is a topical cream. Each gram contains: 50 mg of doxepin hydrochloride (equivalent to 44.3 mg of doxepin). Doxepin hydrochloride, USP is one of a class of agents known as dibenzoxepin tricyclic antidepressant compounds. It is an isomeric mixture of N,N-dimethyldibenz[ b,e ]oxepin-Δ 11(6H),γ -propylamine hydrochloride. Doxepin hydrochloride has a molecular formula of C 19 H 21 NO•HCl and a molecular weight of 316. PRUDOXIN ® Cream also contains sorbitol, cetyl alcohol, isopropyl myristate, glyceryl stearate, PEG- 100 stearate, petrolatum, benzyl alcohol, titanium dioxide and purified water. The structural formula of doxepin hydrochloride.

SILENOR (doxepin) is available in 3 mg and 6 mg strength tablets for oral administration. Each tablet contains 3.39 mg or 6.78 mg doxepin hydrochloride, equivalent to 3 mg and 6mg of doxepin, respectively. Chemically, doxepin hydrochloride is an (E) and (Z) geometric, isomeric mixture of 1 propanamine, 3-dibenz[ b,e ]oxepin-11(6 H )ylidene- N,N -dimethyl-hydrochloride. It has the following structure: Doxepin hydrochloride is a white crystalline powder, with a slight amine-like odor, that is readily soluble in water. It has a molecular weight of 315.84 and molecular formula of C 19 H 21 NO∙HCl. Each SILENOR tablet includes the following inactive ingredients: microcrystalline cellulose, colloidal silicon dioxide, and magnesium stearate. The 3 mg tablet also contains FD&C Blue No.1. The 6 mg tablet also contains D&C Yellow No. 10 and FD&C Blue No. 1. Chemical Structure

Zonalon ® (doxepin hydrochloride) Cream, 5% is a topical cream. Each gram contains: 50 mg of doxepin hydrochloride (equivalent to 44.3 mg of doxepin). Doxepin hydrochloride, USP is one of a class of agents known as dibenzoxepin tricyclic antidepressant compounds. It is an isomeric mixture of N,N-dimethyldibenz[ b,e ]oxepin-Δ 11(6H),γ -propylamine hydrochloride. Doxepin hydrochloride has a molecular formula of C 19 H 21 NO•HCl and a molecular weight of 316. Zonalon ® Cream also contains sorbitol, cetyl alcohol, isopropyl myristate, glyceryl stearate, PEG-100 stearate, petrolatum, benzyl alcohol, titanium dioxide and purified water. Structural Formula