Seroquel (quetiapine) is an antipsychotic medicine. It works by changing the actions of chemicals in the brain. Seroquel is used to treat schizophrenia in adults and children who are at least 13 years old.
Seroquel is used to treat bipolar disorder (manic depression) in adults and children who are at least 10 years old. Seroquel is also used together with antidepressant medications to treat major depressive disorder in adults. Extended-release Seroquel XR is for use only in adults and should not be given to anyone younger than 18 years old.