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What happens if I miss a dose (Chantix)?
Take the missed dose as soon as you remember. Skip the missed dose if it is almost time for your next scheduled dose. Do not take extra medicine to make up the missed dose.
What happens if I overdose (Chantix)?
Seek emergency medical attention or call the Poison Help line at 1-800-222-1222.
What should I avoid while taking varenicline (Chantix)?
This medication may impair your thinking or reactions. You may also have mood or behavior changes when you quit smoking. Until you know how varenicline and the smoking cessation process are going to affect you, be careful if you drive or do anything that requires you to be cautious and alert.
Do not use other medications to quit smoking while you are taking varenicline, unless your doctor tells you to.
What other drugs will affect varenicline (Chantix)?
After you stop smoking, the doses of any medications you are using may need to be adjusted. Tell your doctor about all other medicines you use, especially:
This list is not complete and other drugs may interact with varenicline. Tell your doctor about all medications you use. This includes prescription, over-the-counter, vitamin, and herbal products. Do not start a new medication without telling your doctor.
Where can I get more information?
Your pharmacist can provide more information about varenicline.
Report Problems to the Food and Drug Administration
You are encouraged to report negative side effects of prescription drugs to the FDA. Visit the FDA MedWatch website or call 1-800-FDA-1088.
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