A Nurse Is Providing Teaching for a Patient Who Will

A nurse is providing teaching for a patient who will be taking varenicline (Chantix) as part of a smoking-cessation program. Which teaching points are appropriate for a patient taking this medication?

A) This drug is available as a chewing gum that can be taken to reduce cravings.
B) Use caution when driving because drowsiness may be a problem.
C) There have been very few adverse effects reported for this drug.
D) Notify the prescriber immediately if feelings of sadness or thoughts of suicide occur.
E) Avoid caffeine while on this drug.