مريض يريد الإقلاع عن التدخين، ووصف له الطبيب فارينيكلين. أي تعليمات مهمة؟

A client wants to quit smoking and is prescribed varenicline. Which instruction is important?

1. Smoking while on the drug doubles its benefit
2. Report any change in mood or behaviour during treatment
3. Take the drug only on the quit day, then stop
4. There is no need to set a quit date

Answer: B) Report any change in mood or behaviour during treatment. Varenicline usually starts a week before the quit date and continues for weeks. Side effects include nausea and vivid dreams, and mood and behaviour are monitored. It is taken after food with water.