Bupropion is used in the treatment of depression and smoking addiction.
How Bupropion Works Bupropion works in depression by increasing the levels of chemical messengers in the brain that help regulate mood. The mechanism underlying its use in smoking addiction is not fully understood.
Common side effects of Bupropion include insomnia (difficulty sleeping), headache, nausea, dry mouth, agitation, constipation, weight loss, tachycardia, diaphoresis, nasopharyngitis (inflammation of the throat and nasal passages), and blurred vision.