Call your doctor at once if you have a serious side effect such as: 1  headache with chest pain and severe dizziness, fast or pounding heartbeats, shortness of breath, fainting; 2  diarrhea that is watery or bloody;  fever, swollen glands, body aches, flu symptoms, new or worsening cough;
The maximum daily doses is also slightly different as both Wellbutrin XL and Wellbutrin have a maximum daily dose of 450 mg per day, whereas the maximum dosage for Wellbutrin SR is only 400 mg per day.
Brand Name: Wellbutrin, Budeprion XL, Budeprion SR, Buproban, Wellbutrin SR, Wellbutrin XL, Zyban. Overview. Wellbutrin is the brand name for Bupropion, a type of antidepressant (aminoketone class) that also acts as a stimulant. It is a norepinephrine and dopamine reuptake inhibitor. It blocks transporters for chemicals norepinephrine and dopamine, increasing amounts of both chemicals in the brain.