Which Precaution Is Most Important to Teach a Patient Taking

Which precaution is most important to teach a patient taking an antiproliferative agent to manage an autoimmune disease?

A) Do not stop taking this drug for any reason or your organs will become atrophied.
B) Keep all health care appointments because your risk for cancer is now increased.
C) Avoid foods and drinks containing caffeine because your risk for high blood pressure is greatly increased.
D) Make certain someone is with you when you take this drug because allergic reactions are common and often delayed.