Tried Wellbutrin on 3 separate occasions because I found it an effective product - longest stretch was 6 months. Each time, I'd quit bc of side effects - racing heart, palpitations/chest rattle, headache. I have friends, however, who have been on it for years with zero side effects.
I'm in the US. This summer when I decided to go back on meds, my NP suggested Aplenzin, a new formulation of bupropion purported to have a lower incidence of side effects. There's no generic and I currently have shite health insurance so I couldn't afford to try. I mention it in case you similarly get a benefit from Wellbutrin but experience side effects - there's an upgrade if you have good coverage!