Drugs Champix, Pfizer's smoking cessation drug, returns to Spain: effective from the first week Varenicline relieves the withdrawal symptoms that smokers suffer when they try to quit this habit Pfizer's smoking cessation treatment, Varenicline (Champix®), has been available again in Spain since March 24. This medication, indicated for adults who want to quit smoking, has been shown to be effective from the first week of treatment and is supported by studies that support its safety and effectiveness in progressively reducing cigarette consumption. Its dual mechanism of action makes it a powerful tool against nicotine addiction. This treatment has a dual mechanism of action that is based on be... [Read more]