Does Medicare Cover Zyban? 
Zyban is chemically similar to Buproprion . Both medications are used to treat depression but also can be used as part of a smoking cessation program . Buproprion is covered by Medicare Part D and does not require prior authorization from your carrier . Zyban may be prescribed by your doctor as part of a smoking cessation program if other treatment protocols have not worked . Medicare Part D may require prior authorization . 