Question: what are the side effects of discontinuing wellbutrin?
Answer: Seizures can occur while taking, tapering, or even after stopping bupropion. Seizures can be life-threatening. ... 
Suicidality can occur while taking, tapering, or even after stopping bupropion. ... 
Flu-like symptoms (fever, chills, aches, pains, sweats).
Insomnia.
Vertigo.
Loss of balance.
Headaches.
Agitation.