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.
Educate patients that WELLBUTRIN contains the same active ingredient (bupropion hydrochloride) found in ZYBAN, which is used as an aid to smoking cessation treatment, and that WELLBUTRIN should not be used in combination with ZYBAN or any other medications that contain bupropion (such as WELLBUTRIN SR Â®, the sustained-release formulation and WELLBUTRIN XL Â® or FORFIVO XL Â®, the extended-release formulations, and APLENZIN Â®, the extended-release formulation of bupropion hydrobromide).