What side effect is associated with the use of Lithium?

The side effect associated with the use of Lithium that is being highlighted here is movements, specifically tremors. Lithium is a mood stabilizer commonly used in the treatment of bipolar disorder and is well-documented for causing various side effects, among which is the development of fine hand tremors. This tremor side effect is due to Lithium's effects on neuromuscular control and can be particularly noticeable during the initial stages of treatment or when the dosage is increased.

Tremors can range from mild to moderate, and while they may be bothersome, they are often not severe enough to warrant discontinuation of the medication. Patients may also be educated on strategies to manage or minimize these tremors, such as dosage adjustment or the addition of certain medications that can alleviate this side effect.

The other side effects listed, while they can be associated with various conditions or treatments, may not be as directly linked to Lithium itself. For example, weight gain can occur with several psychotropic medications, but it is not as characteristic of Lithium. Cardiac arrhythmias may occur in cases of Lithium toxicity, but this is a more severe and less common occurrence. Hyperglycemia is more related to other medications, particularly atypical antipsychotics, rather than Lithium