Bruxism; Bruxism/Teeth grinding 

A substance that is used to treat depression, and to help people quit smoking. It belongs to the family of drugs called antidepressants.

(bruxism) - Occurring during sleep, teeth grinding can disrupt sleep and lead to daytime fatigue. It can also damage teeth, gums, and jaw bones. To help prevent damage, dentists often recommend using a plastic mouth guard.

Bupropion as related to Teeth grinding