Side effects may be more
common shortly after you start treatment. The most
common side effects with WELLBUTRIN XL are weight loss, loss of appetite, dry mouth, skin rash, sweating, ringing in the ears, shakiness, stomach pain, agitation, anxiety, dizziness, trouble sleeping, muscle pain, nausea, fast heartbeat, sore throat, and urinating more often.
Seizures may occur (studies showed an incidence of 1/1000 - 4/1000). The chances of having seizures increases with higher doses.