What is Lithium primarily used for in psychiatric treatment?

• A. Mood stabilizer
• B. Antidepressant
• C. Antipsychotic
• D. Anxiolytic

Answer: (A)

Lithium serves as a mood stabilizer, which means its main role in psychiatry is to smooth out extreme mood fluctuations in bipolar disorder. It helps prevent both manic episodes and depressive episodes, and it’s especially valued for reducing the risk of mood recurrence over the long term. Because it can take time to work and has a narrow therapeutic window, patients require regular monitoring of blood levels and kidney and thyroid function to avoid toxicity.

It is not used primarily as an antidepressant, antipsychotic, or anxiolytic. Antidepressants, antipsychotics, and anxiolytics address different symptom patterns and mechanisms, whereas lithium’s standout purpose is maintaining steady mood over time and reducing relapse risk.