Varenicline is a medicine that can be prescribed to help people quit smoking. It is different from other smoking cessation medications in that it does not contain any nicotine. The drug comes in tablet form and is generally taken once or twice a day for 12 weeks. Side effects that have been reported with varenicline include headache, insomnia, nausea, and abnormal dreams.
Varenicline tartrate (Chantix™) is a prescription medication that is used to help people stop smoking. Unlike many other medications used for this purpose, varenicline does not contain nicotine.
Varenicline: What Should I Tell My Healthcare Provider?
You should talk with your healthcare provider prior to taking varenicline if you have:
Kidney disease, such as kidney failure (renal failure)
Any mental illness
A history of suicidal behavior
Any allergies, including allergies to food, dyes, or preservatives.
Also, let your healthcare provider know if you are:
Pregnant or thinking of becoming pregnant
Breastfeeding.
Make sure to tell your healthcare provider about all other medicines you are taking, including prescription and non-prescription medicines, vitamins, and herbal supplements.