Your doctor will decide on the exact course you will follow. However, a usual course of Champix is initially 12 weeks. They will be able to advise you on the most suitable form of treatment to help you give up successfully. Due to some post-marketing reports of changes in behaviour, such as mood swings and suicidal tendencies, varenicline may not be suitable for those with a history of mental health problems. While Champix and Chantix are not suitable for everyone, there are alternatives.
Nicotine replacement therapy NRT is one option. This is offered in various forms, including patches and gum. One other prescription-only medication for smoking cessation is Zyban. Like Champix, a doctor will need to ensure this is safe for you to take before use.
Your medical history and any other medications will be factors in the treatment prescribed. Read our stop smoking pages for more information on how to quit. It looks like you're trying to access this site from the USA. What do you want to do? Dosage and strength Champix tablets come as 0. A course of treatment usually lasts for 12 weeks.
Your weekly plan may be: Week 1: day 1 to 3 — one 0. What if I forget to take it? What if I take too much? Urgent advice: Contact for advice now if:. Common side effects These common side effects may happen in more than 1 in people. Keep taking the medicine but talk to your doctor if these side effects bother you or do not go away: sore or swollen inflamed nose and throat feeling sick nausea headaches difficulty sleeping feeling dizzy bad taste in your mouth Serious side effects Serious side effects are rare and happen in less than 1 in 10, people.
Urgent advice: Tell your doctor now if you:. Immediate action required: Call now if:. Serious allergic reaction In rare cases, it's possible to have a serious allergic reaction anaphylaxis to Champix. Information: You can report any suspected side effect using the Yellow Card safety scheme.
Visit Yellow Card for further information. What to do about: sore or swollen inflamed nose and throat — talk to your doctor if these side effects bother you or do not go away.
You could also try taking an anti-inflammatory medicine like ibuprofen for a few days. It might help to take your Champix after a meal or snack. Do not drink too much alcohol. You can take an everyday painkiller like paracetamol. Talk to your doctor if the headaches last longer than a week or are severe.
If you feel dizzy, sit or lie down until you feel better. Do not drive, cycle or operate machinery until you feel OK again. Try to avoid alcohol as it will make you feel worse. You could also rinse your mouth with water or have a drink of juice or water. Champix and breastfeeding There is not enough research to know whether Champix gets into your breast milk.
Non-urgent advice: Tell your doctor if you're:. Champix does not usually have an effect on any other medicines. However, when you stop smoking, with or without Champix, your doctor may need to change your dose of medicines such as: theophylline, a medicine for breathing problems warfarin , a medicine to reduce blood clotting insulin, to treat diabetes olanzapine and clozapine, used to treat psychosis Mixing Champix with herbal remedies or supplements There's very little information about taking herbal remedies and supplements while taking Champix.
Important: Medicine safety Tell your doctor or pharmacist if you're taking any other medicines, including herbal medicines, vitamins or supplements. How does it work? This reduces the urge to smoke and helps with the withdrawal symptoms from nicotine such as: the urge to smoke again feeling depressed or irritable difficulty sleeping Most people who smoke would like to stop.
How long does it take to work? This medicine obtained the right to enter on the European Market in In Belgium, it has been available since 4 December The medicine can only be obtained on medical prescription. In addition, it is recommended that quitters receive professional support, medical advice and monitoring, as this considerably increases the chances of successful cessation. Tablets containing 0. The initial dosage consists of one 0.
After that, the dosage is one 1 mg tablet twice a day until the end of the treatment 12 weeks. The dosage can be reduced to 0. For patients who have succeeded in quitting smoking after 12 weeks, the doctor may recommend a complementary treatment lasting another 12 weeks. Alternatively, he or she may decide to stop the treatment gradually. The information below is only intended as a guide. Your doctor must be the one to prescribe you this medicine and give you advice on how to take it.
A full treatment, i. In Switzerland, this medicine is not included in basic medical insurance but may be covered by complementary insurance. We strongly advise against buying this product on the Internet because of the risk of counterfeiting and the absence of medical supervision. A medical opinion is very important for learning about contraindications, obtaining user instructions and advice on how to stop smoking, and to avoid or treat possible side effects.
The pooled risk ratio RR indicates that the chances of quitting smoking for six months or more are over twice as high with varenicline as with the placebo. The most common adverse effects of Chantix are nausea, abdominal pain, headache, and insomnia.
A medication guide, with detailed information about the medication, will be given to you with a new or refill prescription of Zyban or Chantix. Consult your healthcare provider for a complete list of side effects. Zyban has a significant amount of drug interactions, detailed in the chart below. Some examples are seizure medications as well as Digoxin , a heart medication. Alcohol should be avoided while on Zyban.
Based on the characteristics of the drug, Chantix has no significant drug interactions. Chantix has not been studied for safety in combination with Zyban.
When Chantix was studied in combination with nicotine replacement therapy, the incidence of side effects such as nausea, headache, vomiting, dizziness, indigestion, and fatigue, was much higher than with nicotine alone. Chantix should not be used in combination with alcohol , at least until you know how Chantix affects your ability to tolerate alcohol.
Consult your healthcare provider for more information. The list of drug interactions for Zyban is too long to list here; consult your healthcare provider for more information. Zyban comes with a black box warning the strongest warning as required by the FDA, indicating a risk of serious or life-threatening events of suicidality. Zyban contains bupropion, an antidepressant, and antidepressants may increase the risk of suicidal thoughts and behavior in patients 24 years of age and younger.
Patients and their caregivers should be aware of any mood changes, hallucinations, paranoia, delusions, homicidal ideation, aggression, hostility, agitation, anxiety, and panic. Any patient taking Zyban, regardless of age, should be closely monitored. Here are more warnings:. Zyban should only be used during pregnancy if the potential benefit justifies the potential risk to the fetus. Pregnant smokers should be encouraged to stop smoking through behavioral techniques before using Zyban.
The Zyban package insert states that because of the risk to the baby, nursing mothers should either stop breastfeeding or stop Zyban. Consult your healthcare provider for advice.
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