I googled side effects for wellbutrin and found this on the second link:

Less serious side effects may include:

headache or migraine, dizziness, tremors (shaking);
sleep problems (insomnia),



loss of interest in sex;




nausea, vomiting, constipation, dry mouth;
appetite changes, weight loss or gain; or
mild itching or skin rash, increased sweating.

(spacing added for emphasis)