lithium carbonate + perospirone hydrochloride

Lithium carbonate + perospirone hydrochloride is a combination of two pharmaceutical agents used primarily in the management of psychiatric disorders. Lithium carbonate is a classic mood stabilizer, most commonly indicated for the treatment and maintenance of bipolar disorder, particularly for acute manic and mixed episodes. It acts by modulating neurotransmitter signaling, including serotonin, dopamine, and norepinephrine pathways[5][6][8][10]. Perospirone hydrochloride is an atypical antipsychotic developed in Japan (notably marketed as Lullan), indicated for schizophrenia and acute cases of bipolar mania[1][9]. Its mechanism involves antagonism at dopamine D2 receptors (relieving positive symptoms), inverse agonism at serotonin 5-HT2A receptors (improving negative symptoms), partial agonism at 5-HT1A receptors (modulating serotonergic tone), as well as antagonistic activity at D4 dopamine, α₁-adrenergic, and histamine H1 receptors[1]. The combination may be used in complex affective or psychotic disorders where both mood stabilization and antipsychotic effects are required.