Who should not take varenicline?
Varenicline is generally thought to be a safe medicine for most people. However, it is a new medicine and so caution is used in certain people. For example, it is not licensed to be used in people who are pregnant or breastfeeding, those under the age of 18, and those with severe kidney failure. It may also be used with more caution in people who have certain conditions such as certain mental health disorders. Your doctor or practice nurse will advise if you are suitable for this medicine.