The Nurse Is Assisting with Medication Teaching for a Patient

The nurse is assisting with medication teaching for a patient who is prescribed lithium carbonate (Eskalith) for bipolar disorder. Which instruction by the nurse is most important?

A) Teach the patient side effects to report, such as nausea or weight gain.
B) Instruct the patient to discontinue other antidepressant agents.
C) Explain to the patient and significant other the importance of regular blood tests.
D) Teach the patient that the lithium will help stabilize mood swings.