It is used in the treatment of depression.

How bupropion works remains unclear - it appears to be a mild central nervous system activator and have some effect on the dopamine system in the brain.

Possible side-effects include confusion, seizures, skin rashes and itching, vomitting, heart palpitations, blurred vision, difficulty breathing or wheezing, increased blood pressure, hallucinations and unusual tiredness or weakness.

Bupropion links

Yahoo! Health - Medication or Drug
RxList Patient Education - Result 2
Bupropion ( Wellbutrin ) and Depression
Bupropion ( Wellbutrin )

MS Glossary
All About Multiple Sclerosis