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.
The maximum Wellbutrin SR dosages are 400 mg total per day for most people, and 100 mg once daily (or 150 mg every other day) for people with liver problems.The dose of Wellbutrin SR Â® (bupropion SR) your healthcare provider prescribes will vary depending on a number of factors, including:or people with liver problems (such as liver failure or cirrhosis), the maximum Wellbutrin SR dose is Wellbutrin SR 100 mg once daily or 150 mg every other day. Some considerations for people taking Wellbutrin SR include: