Varenicline blocks the ability of nicotine to activate α4β2 receptors and thus stimulate the central nervous system dopamine, which is believed to be the neural mechanism underlying the reinforcement and reward experienced when smoking.
Special medical uses of Champix tablets
To relieve nicotine withdrawal symptoms and as an aid to smoking cessation.
How to use Champix tablets
Start taking varenicline as directed by your doctor, one to two weeks before your quit date.
Take one 0.5 mg tablet once daily for 3 days, then increase to one 0.5 mg tablet twice daily for 4 days.
The dose is increased slowly to reduce the chance of side effects (such as nausea and unusual dreams).
Doses may be changed under special circumstances, so always follow the instructions of your doctor or pharmacist.
If you take more than you should, talk to a doctor or go to the hospital immediately.
If you miss a dose, take it as soon as you remember unless it is almost time for your next dose.
Do not take a double dose (two doses at the same time) to make up for a missed dose.
Champix tablets side effects
Although the following side effects are not common to everyone, some patients may experience:
It can cause insomnia, difficulty concentrating, decreased heart rate, increased appetite, or weight gain.
The most common side effect associated with Champix is nausea.
Other common side effects include headache, difficulty sleeping, and abnormal dreams. Champix may cause dizziness and drowsiness.
Pregnancy and breastfeeding precautions while taking Champix tablets
If you are pregnant or breastfeeding, think you may be pregnant or are planning to have a baby, ask your doctor or pharmacist for advice before taking this medicine.
Your doctor will discuss the potential risks and benefits of using this medication during pregnancy and breastfeeding.
Helpful Tips
List your reasons for quitting smoking.
Tell people you've quit smoking.
If you've tried to quit smoking before, remember what worked.
Use smoking cessation aids.
Make a plan if you tend to smoke.
Make a list of smoking triggers and how to avoid them.
Stay away from the urge to stay busy.
Warnings and precautions when taking Champix tablets
If you experience an allergic reaction or irritation when using this medicine, stop using it and contact your doctor.
Champix tablets storage conditions
Store below 25°C.
Do not refrigerate.
Keep this medicine out of the sight and reach of children.
Must be stored in the original container to protect from moisture.
Do not use this medicine after the expiry date shown on the carton/label.
The expiration date refers to the last day of the month.
For more information about varenicline
Ask your doctor or pharmacist.
Visit the official website of the Saudi Food and Drug Authority from the following link:
