Quetiapine is used to treat certain mental/mood disorders (such as schizophrenia, bipolar disorder, sudden episodes of mania or depression associated with bipolar disorder). Drugs used to treat depression can help prevent suicidal thoughts/attempts and provide other important benefits. Quetiapine can temporarily lower the number of white blood cells in your blood, increasing the chance of getting an infection. It can also lower the number of platelets, which are necessary for proper blood clotting. Seroquel is a prescription medicine used to treat the symptoms of Schizophrenia, Bipolar I Disorder, Mania; Bipolar Disorder, Depressive Episodes; Bipolar I Disorder, Maintenance; and Major Depressive Disorder. Seroquel may be used alone or with other medications. Seroquel is a prescription tablet used to treat bipolar I disorder and certain other mental health conditions. Learn about its dosage, side effects, and more. Seroquel (quetiapine) has been used at low doses to help with sleep, but studies are lacking and serious side effects can occur. Many doctors do not recommend Seroquel as a sleep aid in the general population, or may only prescribe it for people with certain mental health mood or psychosis disorders. Find patient medical information for Quetiapine (Seroquel) on WebMD including its uses, side effects and safety, interactions, pictures, warnings, and user ratings This orange round pill with imprint SEROQUEL 25 on it has been identified as: Seroquel 25 mg. This medicine is known as Seroquel (generic name: quetiapine). It is available as a prescription only medicine and is commonly used for Bipolar Disorder, Schizoaffective Disorder, Schizophrenia. Quetiapine is one of only two antipsychotics (the other is cariprazine) that produce equal efficacy as standalone therapies for mixed manic-depressive mood swings as they do in combination with an SSRI antidepressant. Seroquel is used to treat the symptoms of schizophrenia, bipolar disorder and major depressive disorder. Learn about side effects, interactions and indications. Seroquel is prescribed for schizophrenia in children ages 13 to 17 years old. The recommended starting dosage for childhood schizophrenia is 25 mg twice per day.