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Champix is typically used as a 12-week course designed to ease nicotine cravings and reduce withdrawal symptoms. It is intended for adults who are committed to quitting smoking and want extra support to stay smoke-free long term.
From: £44.99
Champix contains varenicline, a non-nicotine medication used to support adults who want to quit smoking. Instead of replacing nicotine, it interacts with the same areas in the brain that nicotine targets — but in a steadier, controlled way.
Nicotine stimulates the release of dopamine — the chemical linked to pleasure and reward. Varenicline partially mimics this effect, helping to reduce cravings and withdrawal discomfort. At the same time, it blocks nicotine from fully activating those receptors, making smoking less satisfying.
Treatment usually begins 1–2 weeks before your planned quit date. Typical schedule:
The standard course lasts around 12 weeks. Taking tablets after food with a glass of water can help reduce nausea.
Champix is generally suitable for adults aged 18 and over who want to quit smoking. Avoid combining with nicotine products (patches or gum) unless advised by a healthcare professional.
Most people handle varenicline without major problems. Common side effects include:
Important
If you notice a sudden drop in mood, increased agitation, or anything concerning, stop taking the medication and contact your doctor promptly.
Those with existing mental health conditions can often use varenicline but will need more frequent check-ins with their GP or nurse.
Q: Is Champix the same as Varenicline?
A: Yes. Champix is the brand name; varenicline is the active ingredient.
Q: How long is a Champix course?
A: The standard course is 12 weeks. If needed, your prescriber may recommend continuing for longer.
Q: Can I use nicotine patches with Champix?
A: It is generally not recommended to combine Champix with nicotine products unless advised by a healthcare professional.
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