Wellbutrin withdrawal symptoms are believed to be caused by shifts in ... or joint
pains, stomach aches, nausea, vomiting, chills, hot flashes, and/or sweating.
Wellbutrin Withdrawal: Symptoms, Timeline, Treatment - Verywell Mind
Wellbutrin does not have a major effect on serotonin. As a result, the withdrawal symptoms are typically mild, or, more often, undetectable. It is not common to experience Wellbutrin withdrawal symptoms, but those who do may become agitated and irritable.