Chantix (Varenicline)


  • Set a date to stop smoking
  • Begin Chantix one week prior to stop date
  • Take after eating with a full glass of water
  • There should be no need to take nicotine replacement products such as the nicotine patch or gum with Chantix

Possible Side Effects

  • Nausea, gas, constipation
  • Trouble sleeping or abnormal dreams
  • Headache
  • Agitation


The recommended dose of Chantix is 1 mg twice daily following a 1-week titration as follows:




0.5 mg once daily


0.5 mg twice daily


1 mg twice daily

Patients who cannot tolerate adverse effects of CHANTIX may have the dose lowered temporarily or permanently.

Don’t skip doses or double doses if a pill is missed

Treatment is for 12 weeks, but may be extended another 12 weeks for those who have successfully stopped smoking to further increase the likelihood of long-term abstinence.