Generic name: VareniclineBrand names: Chantix
Chantix is a prescription medicine to help adults stop smoking.
Your body may undergo changes if you stop smoking (with or without Chantix). These changes may alter the dosage of other medications you are taking. If you experience agitation, depressed mood, changes in behavior that are not typical of you, or if you develop suicidal behavior, stop taking Chantix and notify your doctor immediately.Tell your doctor if you have or ever had depression before beginning Chantix therapy.When you try to quit smoking, with or without Chantix, you may experience symptoms that may be due to nicotine withdrawal. These symptoms include the urge to smoke, depressed mood, trouble sleeping, irritability, frustration, weight gain, and others.
Chantix is not recommended for children under 18 years of age. Do not take Chantix if you are allergic to any of its ingredients.
Tell your doctor about all prescription, over-the-counter, and herbal medications you are taking before beginning treatment with Chantix. Also, talk to your doctor about your entire medical history, especially if you are using insulin, asthma medicine, or blood thinners. Also tell your doctor if you have ever had depression or other mental health problems, and if you have kidney problems or receive kidney dialysis, since this may require a lower dose.
The information below is based on the dosage guidelines your doctor uses. Depending on your condition and medical history, your doctor may prescribe a different regimen. Do not change the dosage or stop taking your medication without your doctor's approval.
Adults: From Day 1 to Day 3, the usual dosage of Chantix is 1 white tablet (0.5 milligram [mg]). From Day 4 to Day 7, dosage increases to 2 white tablets, one in the morning and one at night. Day 8 to the end of treatment consists of 2 blue tablets (1 mg each), once in the morning and once at night.
First, choose a date when you will stop smoking. Start taking Chantix 7 days before your quit date, as this lets Chantix build up in your body. You can keep smoking during this time. Be sure to stop smoking on your quit date, and continue to take Chantix as directed.Take Chantix after eating and with a full glass of water.
Avoid smoking after the seventh day of taking Chantix.Use caution when driving or operating machinery until you know how quitting smoking with Chantix may affect you.
Side effects cannot be anticipated. If any develop or change in intensity, tell your doctor as soon as possible. Only your doctor can determine if it is safe for you to continue taking Chantix.Side effects may include: changes in dreaming or sleeping pattern, constipation, gas, nausea, vomiting
The effects of Chantix during pregnancy and breastfeeding are unknown. Tell your doctor immediately if you are pregnant, plan to become pregnant, or are breastfeeding.
If you miss a dose, take it as soon as you remember. If it is close to the time for your next dose, wait and take your next regular dose. Do not take a double dose.
Store at room temperature.