Lithium reduces severe mood swings. The drug works only when a certain amount of lithium is in the blood. This is called the lithium level. If the lithium level is too low, the drug does not work; if the lithium level is too high, it can cause poisoning. Therefore, it is important that patients have their blood checked regularly.

In this Divi, patients are explained what a mood disorder is and how then lithium works. In addition, an animation explains why it is necessary for patients to have their blood checked regularly. Good explanations about why these checkups are necessary contribute to compliance. Finally, the Divi describes the living rules.