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Side Effects of Serequel

Seroquel is a prescribed medication that treats chemical imbalances in the brain that cause bipolar disorder and schizophrenia. Seroquel is available in extended-release, tablet form and is taken once a day. However, this drug can cause both mild and severe side effects.

  1. Common Side Effects

    • The most common side effects of Seroquel include dizziness, upset stomach, weight gain, fatigue, dry mouth, constipation and an increase in blood sugar.

    Suicide Risk

    • Although Seroquel helps to treat bipolar disorder, including depression, this drug may actually increase the risk of suicidal thinking and behavior, according to Drugs.com.

    Neuroleptic Malignant Syndrome (NMS)

    • Seroquel can, in rare instances, cause NMS, which is characterized by fever, rigid muscles, confusion, tremors and changes in blood pressure. NMS is potentially fatal.

    Tardive Dyskinesia

    • Seroquel can also cause Tardive Dyskinesia, which produces symptoms such as "uncontrollable movements of the face, tongue, or other parts of the body," according to Seroquelxr.com. This condition may be either temporary or permanent.

    Hyperglycemia

    • Seroquel can cause hyperglycemia and increase the risk of diabetes.

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