varenicline

noun
va·ren·i·cline | \və-ˈre-nə-klən \

Medical Definition of varenicline 

: a drug taken orally in the form of its tartrate C13H13N3·C4H6O6 as an aid to stop smoking

Note: Varenicline binds to nicotinic cell receptors to block the activity of nicotine while also acting as an agonist to reduce nicotine cravings and withdrawal symptoms. Varenicline is marketed under the trademark Chantix.

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