For more information and updates please visit: Bupropion (Zyban) back in stock (ncsct.co.uk) Â One Adverse Event change has occurred since Zyban was out of stock. This is in Section 4.4 Special Warnings and Precautions where a caution has been added about Brugada syndrome. Â The full Zyban Summary of Product characteristics with updates can… Continue reading Bupropion (Zyban) is now back in stock and being supplied