Chantix

Moderate Warnings

Generic: varenicline

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Information reviewed July 24, 2026

Rank #83 in US TV Ads
Class: Nicotinic Receptor Partial Agonist

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What is it for?

A prescription pill, widely advertised, that helps adults quit smoking by reducing cravings and the urge to smoke.

Primary Condition

Smoking cessation

How it works

Partly stimulates nicotine receptors to ease withdrawal while blocking the reward from cigarettes.

Common Side Effects

This is not a complete list of side effects. Always consult with a doctor.

  • Nausea
  • Vivid dreams
  • Insomnia
  • Headache
  • Mood changes

Chantix FAQs

What is Chantix used for?

Chantix (varenicline) is a prescription medication used to treat Smoking cessation. A prescription pill, widely advertised, that helps adults quit smoking by reducing cravings and the urge to smoke.

How does Chantix work?

Partly stimulates nicotine receptors to ease withdrawal while blocking the reward from cigarettes.

What are the common side effects of Chantix?

Commonly reported side effects of Chantix include Nausea, Vivid dreams, Insomnia, Headache, and Mood changes. This is not a complete list — tell your doctor or pharmacist about any side effects you experience.

Does Chantix have any serious warnings?

Chantix has notable warnings and precautions. Tell your doctor about your medical history and any other medicines or supplements you take before starting Chantix.

What is the generic name for Chantix?

The active ingredient in Chantix is varenicline, which belongs to a class of medicines known as Nicotinic Receptor Partial Agonist.

Who makes Chantix?

Chantix is manufactured by Pfizer. It was first approved in 2006.

How can I save money on Chantix?

You may be able to lower the cost of Chantix by using a free pharmacy discount card or by comparing prices across pharmacies before you fill your prescription. Savings vary by pharmacy and location.

Common questions about Chantix

Quick Facts

Manufacturer

Pfizer

Year Approved

2006

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