Although there are two different doses for Champix, they’re taken within the same course of treatment. For example, you start with the 0.5mg dose and switch to the 1mg dose during week two.
If you get any side effects or notice anything unusual, let us know as soon as you can. If you have an intolerance to the larger dose of 1mg, you may be able to continue to take the 0.5mg instead, which is likely to lower the risk of side effects.