A healthcare provider may prescribe Seroquel XR to treat schizophrenia or bipolar disorder. This long-acting, extended-release medication works by blocking or lessening the effects of certain chemicals in the brain. It comes in the form of a tablet that is taken just once a day, typically in the evening. Although most people tolerate the drug well, side effects can still occur, such as drowsiness, dry mouth, and dizziness.
Seroquel XR belongs to a group of medications called second-generation (or atypical) antipsychotic medications. It is not entirely clear how this drug works to treat schizophrenia. However, it is known to block or lessen the effects of several chemicals in the brain. These chemicals (such as dopamine and serotonin) may be elevated in people with schizophrenia or bipolar disorder.
Written by/reviewed by: Kristi Monson, PharmD;Arthur Schoenstadt, MD
Last reviewed by: KristiMonson, PharmD;
List of references (click here):
Seroquel XR [package insert]. Wilmington, DE: AstraZeneca Pharmaceuticals LP;2011 June.
Food and Drug Administration, Center for Drug Evaluation and Research. Electronic orange book: Approved drug products with therapeutic equivalence evaluations. FDA Web site. Available at: http://www.fda.gov/cder/ob/. Accessed July 11, 2007.
Briggs GG, Freeman RK, Yaffe SJ. Drugs in Pregnancy and Lactation. 7th ed. Philadelphia (PA): Lippincott Williams & Wilkins;2005.
National Library of Medicine (US). Drugs and Lactation Database (LactMED). NLM Web site. Available at: http://toxnet.nlm.nih.gov/cgi-bin/sis/htmlgen?LACT. Accessed July 11, 2007.
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