https://www.psychdb.com/ 2026-08-14T01:50:04-0700 https://www.psychdb.com/ https://www.psychdb.com/lib/tpl/bootstrap3/images/favicon.ico text/html 2020-04-30T22:17:11-0700 Anonymous (anonymous@undisclosed.example.com) https://www.psychdb.com/meds/nicotinic/home?rev=1588310231&do=diff Nicotinic Receptor-Related Medications text/html 2025-07-01T22:06:42-0700 Anonymous (anonymous@undisclosed.example.com) https://www.psychdb.com/meds/nicotinic/varenicline?rev=1751432802&do=diff Varenicline Primer Varenicline (Tradename: Champix) is a partial nicotine receptor agonist and antagonist, used for smoking cessation. Mechanism of Action * Varenicline is a partial agonist and antagonist at the alpha-4 beta-2 nicotinic receptor (α4β2 or a4b2) nicotinic acetylcholine receptor (nAChR)