Prescription onlyClass: Respiratory

Chantix

(Varenicline)

Prescription onlyClass: Respiratory
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Helps you quit smoking.

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Our bottom line

Chantix (Varenicline) is a great way to help you quit smoking and stay off cigarettes, even though many people have nausea with it.

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Upsides

  • 44% of people taking Chantix (Varenicline) were able to quit during their initial 12 week treatment.
  • Quitting smoking can significantly lower your risk of lung cancer, heart disease, and stroke.
  • An occasional slip-up doesn't mean you have relapsed.
  • When you quit smoking, your food might taste better and your breath won’t smell like smoke.
  • You'll save a lot of money when you stop buying cigarettes.

Downsides

  • You can have withdrawal symptoms like irritability and difficulty sleeping once you stop smoking.
  • Patients taking Chantix (Varenicline) can gain weight if they substitute smoking for food.
  • Changing your daily smoking patterns and keeping yourself busy can be difficult at first.
  • Rarely, some people have had suicidal thoughts while taking Chantix (Varenicline).
  • Smoking can affect how some drugs work in your body. Once you quit, your doctor may need to adjust the doses of certain medicines you're taking.
How it works

Chantix (Varenicline) binds to nicotine receptors in the brain, preventing actual nicotine from releasing dopamine. Lower dopamine levels cause fewer cravings and withdrawal symptoms.

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Side effect rates for Chantix (Varenicline)

0From clinical trials of Chantix / Quitting smoking
  • Any side effect
  • Nausea
  • Abnormal dreams

Risks and Warnings for Chantix (Varenicline)

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    • Higher risk if:
    • History of depression
    • History of bipolar disorder

    Chantix (Varenicline) can increase the risk of suicidal thoughts or behavior. Watch for any unusual changes in mood or behavior including depression, agitation or hostility, especially during the first few months of treatment or when the dose changes. Report anything concerning to a doctor immediately.

    This is a black box warning. The FDA requires this warning when there is a significant risk of serious or life-threatening effects that anyone taking the drug should consider.

Means that some groups have a high risk of experiencing this side effect

Common concerns from people taking Chantix (Varenicline)

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Pregnancy
Food
  • When you quit smoking, your food might taste better and your breath won’t smell like smoke.
  • You should always take Chantix (Varenicline) with food and a full glass of water to reduce side effects.
Weight
  • Patients taking Chantix (Varenicline) can gain weight if they substitute smoking for food.