A nurse is providing teaching about lithium to a client who has bipolar disorder. Which of the following statements should the nurse include in the teaching?
a) You can stop taking lithium once your mood stabilizes.
b) Lithium may cause weight gain, but it's a normal side effect.
c) Monitor your sodium intake, as lithium can affect sodium levels.
d) Combining lithium with alcohol is safe and won't have any adverse effects.