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Chantix - Using Chantix to Quit Smoking

Facts about Chantix

By Lisa Fayed, About.com

Updated: May 10, 2009

About.com Health's Disease and Condition content is reviewed by our Medical Review Board

Chantix (varenicline) is the FDA approved drug that aims to help pople quit smoking. Manufactured by Pfizer, it is only the second pill of it's kind labeled as a smoking cessation medication.<br><br>

How Does Chantix Work?

Basically, it takes any "fun" and pleasure out of smoking. Smokers often feel a sense of calm and relief when they light up. With chantix, they don't feel these sensations. Chantix also lessens the withdrawal symptoms, which often are very severe for some.

Chantix Side Effects

The most commonly reported side effects of Chantix is nausea. Other common side effects include:
  • dream changes
  • gas
  • constipation
  • vomiting

Who Should Not Take Chantix

Chantix should not be prescribed in pregnant or nursing women, individuals under 18 years of age, or anyone allergic to ingredients in Chantix.

It is important to let your doctor know if:

  • you are pregnant, nursing, or plan to become pregnant
  • have kidney problems
  • inform doctor of any allergies you have or suspect you have

How to Take Chantix

First, you must choose a quit date. One week prior to your quit date, start taking Chantix. You may smoke during the first week. It is recommended to take Chantix after eating and with 8 oz. of water.

For the first three days, only 1 white tablet is taken. Days 4-7, two white tablets are taken, once in the morning and once in the evening.

On day 8 through treatment end, a blue tablet is taken twice a day. The blue tablet is a higher dosage than the white tablet taken in the first 7 days.

Dosage and schedule may vary. Be sure to let your doctor know of any side effects you may be experiencing. They may be relieved by changing the dosage.

Treatment period is usually 12 weeks.



source: Pfizer Labs. Chantix Patient Information.
Pfizer Labs. Chantix Prescribing Information

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