Seroquel XR

A healthcare provider may prescribe Seroquel XR to treat schizophrenia. This long-acting, extended-release medication works by blocking or lessening the effects of certain chemicals in the brain. Seroquel XR 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. Some possible side effects include drowsiness, a dry mouth, and dizziness.

 

What Is Seroquel XR?

Seroquel XR® (quetiapine XR) is a prescription medication that is used to treat schizophrenia. It is a long-acting, extended-release medication that is taken just once a day.
 

Who Makes Seroquel XR?

Seroquel XR is manufactured by AstraZeneca Pharmaceuticals.
 
(Click Seroquel XR Uses for more information on what Seroquel XR is used for, including possible off-label uses.)
 

How Does Seroquel XR Work?

Seroquel XR is not a cure for schizophrenia. It only helps to control symptoms (see Symptoms of Schizophrenia).
 
Seroquel XR belongs to a group of medications called second-generation (or atypical) antipsychotic medications. It is not entirely known how Seroquel XR works for treating schizophrenia. However, it is known that Seroquel XR blocks or lessens the effects of several chemicals in the brain. These brain chemicals (such as dopamine and serotonin) may be elevated in people with schizophrenia.
 

Seroquel XR Effects

In one clinical study of Seroquel XR for the treatment of schizophrenia, people taking Seroquel XR experienced greater improvements in their schizophrenia symptoms, compared to people not taking Seroquel XR.
 
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Written by/reviewed by: Kristi Monson, PharmD; Arthur Schoenstadt, MD
Last reviewed by: Kristi Monson, PharmD;