Name	Starting dosage	Dose form	Approximate monthly cost*
Varenicline (Chantix)	0.5 mg once daily for three days, followed by 0.5 mg twice daily for four days, then 1 mg twice daily for 12 weeks	0.5-mg or 1-mg tablets; available in a monthly blister package	$114 for the starting dosage; $120 for the maintenance dose