Which anticonvulsant is commonly used as a mood stabilizer?

Lamictal (lamotrigine) is recognized for its effectiveness as both an anticonvulsant and a mood stabilizer. It has gained prominence in the treatment of bipolar disorder, particularly for the maintenance of mood stability and the prevention of depressive episodes. The drug works by modulating the release of glutamate, which is an excitatory neurotransmitter, thereby helping to stabilize mood and reduce the frequency of mood episodes.

In the context of bipolar disorder, lamotrigine is particularly beneficial for patients who experience more depressive phases than manic or hypomanic phases. Its unique mechanism of action, along with a relatively favorable side effect profile compared to other mood stabilizers, makes it a preferred choice in both psychiatric and epilepsy treatment settings.

Other options listed, such as aspirin, fluoxetine, and sertraline, do not possess the dual efficacy of mood stabilization and seizure control. Aspirin is an anti-inflammatory and analgesic, not an anticonvulsant or mood stabilizer. Fluoxetine and sertraline are selective serotonin reuptake inhibitors (SSRIs) primarily used to treat depression and anxiety disorders, with a focus on enhancing serotoninergic function rather than directly stabilizing mood in bipolar disorder.