English: Quetiapine (pronounced /kwɨˈtaɪ.əpiːn/ kwi-TYE-ə-peen), marketed by AstraZeneca as Seroquel and by Orion Pharma as Ketipinor, both as an quetiapine fumarate salt of the drug, is an atypical antipsychotic used in the treatment of schizophrenia, bipolar I mania, bipolar II depression, bipolar I depression, and used off-label for a variety of other purposes, including insomnia and anxiety disorders.
{{Information |Description={{en|1=Quetiapine (pronounced /kwɨˈtaɪ.əpiːn/ kwi-TYE-ə-peen), marketed by AstraZeneca as Seroquel and by Orion Pharma as Ketipinor, both as an quetiapine fumarate salt of the drug, is an atypical antipsychotic used in the