The smoking cessation pill was previously known under the brand name Champix, made by Pfizer since 2006. Champix was withdrawn in 2021 as a precaution after an impurity was discovered, with a new ...

A new generic version of varenicline – originally sold in the UK as Champix by Pfizer – has now been approved for use by the health service and could help "tens of thousands" of smokers quit ...

It also provides an alternative to Pfizer’s Champix (varenicline) and GSK’s Zyban (bupropion), which have seen their use restricted in Europe after they were found to contain potentially toxic ...