5 doctors weighed in:
What is the difference between wellbutrin (bupropion) XL and sr?
5 doctors weighed in

Dr. Mary Ann Ty
Psychiatry
4 doctors agree
In brief: Half life
Wellbutrin (bupropion) sr is an older formulation and is usually taken 2 x daily while wellbutrin (bupropion) XL lasts longer in your system and it is usually dosed once daily.

In brief: Half life
Wellbutrin (bupropion) sr is an older formulation and is usually taken 2 x daily while wellbutrin (bupropion) XL lasts longer in your system and it is usually dosed once daily.
Dr. Mary Ann Ty
Dr. Mary Ann Ty
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