Cookies on this website

This website would like to use analytics cookies. These send information about how our site is used to a service called Google Analytics. We use this information to improve our site.

Let us know if this is OK. We'll also use a cookie to save your choice. You can read more about how Google uses cookies.

Champix (varenicline)

NHS medicines information on Champix (varenicline) – what it's used for, side effects, dosage and who can take it.