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Bupropion hydrochloride extended-release tablets, USP (XL) is an aminoketone antidepressant, indicated for the treatment of major depressive disorder (MDD) and prevention of seasonal affective disorder (SAD). Periodically reevaluate long-term usefulness for the individual patient. (1)
Bupropion hydrochloride extended-release tablets, USP (XL) are indicated for the treatment of major depressive disorder (MDD), as defined by the Diagnostic and Statistical Manual (DSM).
The efficacy of the immediate-release formulation of bupropion was established in two 4 week controlled inpatient trials and one 6 week controlled outpatient trial of adult patients with MDD. The efficacy of the sustained-release formulation of bupropion in the maintenance treatment of MDD was established in a long-term (up to 44 weeks), placebo-controlled trial in patients who had responded to bupropion in an 8 week study of acute treatment [see Clinical Studies (14.1)].
Bupropion hydrochloride extended-release tablets, USP (XL) are indicated for the prevention of seasonal major depressive episodes in patients with a diagnosis of seasonal affective disorder (SAD).
The efficacy of bupropion hydrochloride extended-release tablets in the prevention of seasonal major depressive episodes was established in 3 placebo-controlled trials in adult outpatients with a history of MDD with an autumn-winter seasonal pattern as defined in the DSM [see Clinical Studies (14.2)].
There is currently no drug history available for this drug.
Bupropion hydrochloride extended-release tablets (XL), is an antidepressant of the aminoketone class, is chemically unrelated to tricyclic, tetracyclic, selective serotonin re-uptake inhibitor, or other known antidepressant agents. Its structure closely resembles that of diethylpropion; it is related to phenylethylamines. It is designated as (±)-1-(3-chorophenyl)-2-[(1,1-dimethylethyl)amino]-1propanone hydrochloride The molecular weight is 276.2. The molecular formula is C13H18ClNO•HCl. Bupropion hydrochloride, USP powder is white, crystalline, and highly soluble in water, in 0.1 N hydrochloric acid, and in alcohol. It has a bitter taste and produces the sensation of local anesthesia on the oral mucosa. The structural formula is:
Each bupropion hydrochloride extended-release tablets, USP (XL) intended for oral administration contains 300 mg of bupropion hydrochloride. In addition, each tablet contains the following inactive ingredients: ethyl cellulose, hypromellose, magnesium stearate, methacrylic acid copolymer dispersion, polyethylene glycol, povidone, silicon dioxide, triethyl citrate. The tablet is printed with black pharmaceutical ink which contains ammonium hydroxide, butyl alcohol, iron oxide black, isopropyl alcohol, propylene glycol and shellac.
The insoluble shell of the extended-release tablet may remain intact during gastrointestinal transit and is eliminated in the feces.
The product meets USP Dissolution Test 14.