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What should I discuss with my health care provider before taking varenicline (Chantix)?
To make sure you can safely take varenicline, tell your doctor if you have any of these other conditions:
FDA pregnancy category C. It is not known whether varenicline will harm an unborn baby. Tell your doctor if you are pregnant or plan to become pregnant while using this medication.
It is not known whether varenicline passes into breast milk or if it could harm a nursing baby. Do not use this medication without telling your doctor if you are breast-feeding a baby.
Do not give this medication to anyone under 18 years old
How should I take varenicline (Chantix)?
Take exactly as prescribed by your doctor. Do not take in larger or smaller amounts or for longer than recommended. Follow the directions on your prescription label.
You may choose from 2 ways to use varenicline. Ask your doctor which of the following methods is best for you:
Take varenicline after eating. Take the medicine with a full glass of water.
When you first start taking varenicline, you will take a low dose and then gradually increase your dose over the first several days of treatment. Follow your doctor's dosing instructions very carefully.
In most cases, varenicline treatment lasts for 12 weeks. Your doctor may recommend a second 12-week course of varenicline to improve the chance that you will quit smoking long-term.
Use varenicline regularly to get the most benefit. Get your prescription refilled before you run out of medicine completely. You should remain under the care of a doctor while taking varenicline.
Store at room temperature away from moisture and heat.
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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