CHANTIX® (varenicline) is a prescription medicine to
help adults 18 and over stop smoking. You may benefit from
quit-smoking support programs and/or counseling during your quit
attempt. It's possible that you might slip up and smoke while
taking CHANTIX. If you do, you can stay on CHANTIX and keep trying
to quit.
Some patients have reported changes in behavior, agitation,
depressed mood, suicidal thoughts or actions when attempting to
quit smoking while taking CHANTIX or after stopping CHANTIX. If
either you, your family, or caregiver notice agitation, depressed
mood, or changes in behavior that are not typical for you, or if
you develop suicidal thoughts or actions, stop taking CHANTIX and
call your doctor right away. Also tell your doctor about any
history of depression or other mental health problems before taking
CHANTIX, as these symptoms may worsen while taking CHANTIX.
The most common side effects include nausea (30%), sleep problems,
constipation, gas, and/or vomiting. If you have side effects that
bother you or don't go away, tell your doctor.
You may have trouble sleeping, vivid, unusual, or strange dreams
while taking CHANTIX. You should use caution driving or operating
machinery until you know how quitting smoking with CHANTIX may
affect you.
CHANTIX should not be taken with other quit-smoking products. You
may need a lower dose of CHANTIX if you have kidney problems or get
dialysis.
Before starting CHANTIX, tell your doctor if you are pregnant,
plan to become pregnant, or if you take insulin, asthma medicines,
or blood thinners. Medicines like these may work differently when
you quit smoking.
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