guanfacine er - Generic Medications
Browse 2 brand name versions of guanfacine er. Review brand names, dosage forms, strengths, and linked product records.
Guanfacine is a once-daily, extended-release formulation of guanfacine hydrochloride, USP in a matrix tablet formulation for oral administration only. The chemical designation is N-amidino-2-(2,6-dichlorophenyl) acetamide monohydrochloride. The molecular formula is C9H9Cl2 N3O·HCl corresponding to a molecular weight of 282.55. The chemical structure is: [structure] Guanfacine hydrochloride, USP is a white to off-white crystalline powder, sparingly soluble in water (approximately 1 mg/mL) and alcohol and slightly soluble in acetone. The only organic solvent in which it has relatively high solubility is methanol (>30 mg/mL). Each tablet contains guanfacine hydrochloride, USP equivalent to 1 mg, 2 mg, 3 mg, or 4 mg of guanfacine base. The tablets also contain methacrylic acid and ethyl acrylate copolymer, hypromellose, glyceryl dibehenate, microcrystalline cellulose, lactose monohydrate, fumaric acid, talc, silicon dioxide and magnesium stearate. In addition, the 3 mg and 4 mg tablets also contain FD&C Blue #2 Aluminum Lake and iron oxide yellow. FDA approved dissolution test specifications differ from USP.
Guanfacine extended-release tablets, USP are a once-daily, extended-release formulation of guanfacine hydrochloride in a matrix tablet formulation for oral administration only. The chemical designation is N-amidino-2-(2,6-dichlorophenyl) acetamide monohydrochloride. The molecular formula is C9H9Cl2N3O·HCl corresponding to a molecular weight of 282.55 g/mol. The chemical structure is: [spd503-chemical-stucture] Guanfacine hydrochloride, USP is a white to off-white powder, sparingly soluble in water (approximately 1 mg/mL) and alcohol and slightly soluble in acetone. The only organic solvent in which it has relatively high solubility is methanol (>30 mg/mL). Each tablet contains guanfacine hydrochloride, USP equivalent to 1 mg, 2 mg, 3 mg, or 4 mg of guanfacine base. The tablets also contain anhydrous lactose, colloidal silicon dioxide, fumaric acid, hypromellose and magnesium stearate. In addition, the 3-mg and 4-mg tablets also contain FD&C Blue #2 and ferric oxide yellow. Dissolution test pending.
About guanfacine er Generic Drugs
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