confusion between Wellbutrin SR, Novo-Bupropion SR, and the new Wellbutrin XL

There is confusion between Wellbutrin SR, Novo-Bupropion SR, and the new Wellbutrin XL.

All forms of bupropion will provide similar efficacy for treating depression.

The big difference is that Wellbutrin XL is given ONCE a day instead of BID. For example, Wellbutrin XL 300 mg/day is equivalent to Wellbutrin SR 150 mg BID and Novo-Bupropion SR 150 mg BID.

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