Asenapine is an atypical antipsychotic that acts as an antagonist at multiple receptors, including dopamine D2 and serotonin 5-HT2A, contributing to its antipsychotic and mood-stabilizing effects.

Adverse effects of asenapine include somnolence, dizziness, and extrapyramidal symptoms.

Because asenapine is significantly metabolized by CYP1A2, inhibitors or inducers of these enzymes can affect its plasma concentrations.

Co-administration with other CNS depressants may increase the risk of sedation and impaired cognitive or motor function.

Asenapine can prolong the QT interval, so caution is advised when used with other medications that affect cardiac conduction.

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