A nurse is reinforcing teaching with a client who has a prescription for lithium carbonate to treat bipolar disorder. Which of the following instructions should the nurse include?

A. Lithium carbonate is typically taken with food to minimize gastrointestinal side effects. Taking it on an empty stomach may increase the risk of nausea and other GI symptoms. B. It can take up to 3 weeks to see the full effects of lithium carbonate, which is used to treat bipolar disorder. C. Clients do not need to follow a low-sodium diet; in fact, maintaining a consistent sodium intake is important while taking lithium, D. While adequate fluid intake is important to prevent dehydration, there's no specific recommendation to limit fluid intake to 800 ounces per day. However, clients should be advised to maintain hydration and be cautious of excessive fluid intake, especially if they have kidney or cardiovascular issues.