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Seroquel XR

Pronunciation

Generic Name: quetiapine (kwe TYE a peen)
Brand Name: SEROquel, SEROquel XR

What is Seroquel XR (quetiapine)?

Quetiapine is an antipsychotic medicine. It works by changing the actions of chemicals in the brain.

Quetiapine is used to treat schizophrenia in adults and children who are at least 13 years old.

Quetiapine is used to treat bipolar disorder (manic depression) in adults and children who are at least 10 years old.

Quetiapine is also used together with antidepressant medications to treat major depressive disorder in adults.

Extended-release quetiapine (Seroquel XR) is for use only in adults and should not be given to anyone younger than 18 years old.

Quetiapine may also be used for purposes not listed in this medication guide.

What is the most important information I should know about Seroquel XR (quetiapine)?

Some young people have thoughts about suicide when first taking quetiapine. Your doctor will need to check your progress at regular visits while you are using this medicine. Your family or other caregivers should also be alert to changes in your mood or symptoms.

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Quetiapine is not approved for use in psychotic conditions related to dementia. Quetiapine may increase the risk of death in older adults with dementia-related conditions.

What should I discuss with my healthcare provider before taking Seroquel XR (quetiapine)?

You should not use quetiapine if you are allergic to it.

Quetiapine is not approved for use in psychotic conditions related to dementia. Quetiapine may increase the risk of death in older adults with dementia-related conditions.

To make sure quetiapine is safe for you, tell your doctor if you have:

  • liver or kidney disease;

  • heart disease, heart rhythm problems, a history of heart attack or stroke;

  • high or low blood pressure;

  • a history of low white blood cell (WBC) counts;

  • abnormal thyroid tests or prolactin levels;

  • seizures or epilepsy;

  • cataracts;

  • high cholesterol or triglycerides;

  • a personal or family history of diabetes; or

  • trouble swallowing.

Some young people have thoughts about suicide when first taking quetiapine. Your doctor will need to check your progress at regular visits while you are using this medicine. Your family or other caregivers should also be alert to changes in your mood or symptoms.

FDA pregnancy category C. It is not known whether quetiapine will harm an unborn baby. Tell your doctor if you are pregnant or plan to become pregnant while using this medication.

Taking antipsychotic medication during the last 3 months of pregnancy may cause problems in the newborn, such as withdrawal symptoms, breathing problems, feeding problems, fussiness, tremors, and limp or stiff muscles. However, you may have withdrawal symptoms or other problems if you stop taking your medicine during pregnancy. If you become pregnant while taking quetiapine, do not stop taking it without your doctor's advice.

Quetiapine can pass into breast milk and may harm a nursing baby. You should not breast-feed while you are using quetiapine.

Do not give quetiapine to a child without a doctor's advice. Extended-release quetiapine (Seroquel XR) is for use only in adults and should not be given to anyone younger than 18 years old.

How should I take Seroquel XR (quetiapine)?

Follow all directions on your prescription label. Never take quetiapine in larger amounts, or for longer than recommended by your doctor. High doses or long-term use of quetiapine can cause a serious movement disorder that may not be reversible. Symptoms of this disorder include tremors or other uncontrollable muscle movements.

Take this medicine with a full glass of water. You may take quetiapine with or without food.

Do not crush, chew, or break an extended-release tablet. Swallow it whole.

Quetiapine may cause you to have high blood sugar (hyperglycemia). Talk to your doctor if you have any signs of hyperglycemia such as increased thirst or urination, excessive hunger, or weakness. If you are diabetic, check your blood sugar levels on a regular basis while you are taking quetiapine.

You should not stop using quetiapine suddenly. Stopping suddenly may make your condition worse.

Blood pressure may need to be checked often in a child or teenager taking quetiapine.

This medication can cause you to have a false positive drug screening test. If you provide a urine sample for drug screening, tell the laboratory staff that you are taking quetiapine.

Store at room temperature away from moisture and heat.

What happens if I miss a dose?

Take the missed dose as soon as you remember. Skip the missed dose if it is almost time for your next scheduled dose. Do not take extra medicine to make up the missed dose.

What happens if I overdose?

Seek emergency medical attention or call the Poison Help line at 1-800-222-1222. An overdose of quetiapine can be fatal.

What should I avoid while taking Seroquel XR (quetiapine)?

Quetiapine may impair your thinking or reactions. Be careful if you drive or do anything that requires you to be alert. Avoid getting up too fast from a sitting or lying position, or you may feel dizzy. Get up slowly and steady yourself to prevent a fall.

Avoid becoming overheated or dehydrated during exercise and in hot weather. You may be more prone to heat stroke.

Avoid drinking alcohol. It can increase certain side effects of quetiapine.

Seroquel XR (quetiapine) side effects

Get emergency medical help if you have any of these signs of an allergic reaction: hives; difficulty breathing; swelling of your face, lips, tongue, or throat.

Report any new or worsening symptoms to your doctor, such as: mood or behavior changes, anxiety, panic attacks, trouble sleeping, or if you feel impulsive, irritable, agitated, hostile, aggressive, restless, hyperactive (mentally or physically), more depressed, or have thoughts about suicide or hurting yourself.

Call your doctor at once if you have:

  • a light-headed feeling, like you might pass out;

  • very stiff (rigid) muscles, high fever, sweating, confusion, fast or uneven heartbeats, tremors;

  • twitching or uncontrollable movements of your eyes, lips, tongue, face, arms, or legs;

  • mask-like appearance of the face, trouble swallowing, problems with speech;

  • breast swelling or discharge (in men or women), missed menstrual periods, impotence, loss of libido;

  • blurred vision, tunnel vision, eye pain, or seeing halos around lights; or

  • sudden weakness or ill feeling, fever, chills, cold or flu symptoms, cough, sore throat, red or swollen gums, painful mouth sores, skin sores, trouble breathing.

Common side effects may include:

  • dizziness, drowsiness, loss of energy, tired feeling;

  • increased appetite, weight gain;

  • dry mouth; or

  • nausea, vomiting, stomach pain or discomfort, constipation.

This is not a complete list of side effects and others may occur. Call your doctor for medical advice about side effects. You may report side effects to FDA at 1-800-FDA-1088.

See also: Side effects (in more detail)

What other drugs will affect Seroquel XR (quetiapine)?

Taking quetiapine with other drugs that make you sleepy or slow your breathing can worsen these effects. Ask your doctor before taking quetiapine with a sleeping pill, narcotic pain medicine, muscle relaxer, or medicine for anxiety, depression, or seizures.

Many drugs can interact with quetiapine. Not all possible interactions are listed here. Tell your doctor about all your medications and any you start or stop using during treatment with quetiapine, especially:

  • lumefantrine, metoclopramide, mifepristone;

  • a dye that is injected into your veins for an x-ray or CT scan;

  • cancer medicine--arsenic trioxide, bexarotene, nilotinib, toremifene, vandetanib, vemurafenib; heart rhythm medicine--amiodarone, disopyramide, dofetilide, dronedarone, flecainide, procainamide, quinidine, sotalol; HIV/AIDS medication--ritonavir, saquinavir; medicine to treat mental illness--iloperidone, pimozide, thioridazine, ziprasidone.

This list is not complete and many other drugs can interact with quetiapine. This includes prescription and over-the-counter medicines, vitamins, and herbal products. Give a list of all your medicines to any healthcare provider who treats you.

Where can I get more information?

  • Your pharmacist can provide more information about quetiapine.
  • Remember, keep this and all other medicines out of the reach of children, never share your medicines with others, and use this medication only for the indication prescribed.
  • Disclaimer: Every effort has been made to ensure that the information provided by Cerner Multum, Inc. ('Multum') is accurate, up-to-date, and complete, but no guarantee is made to that effect. Drug information contained herein may be time sensitive. Multum information has been compiled for use by healthcare practitioners and consumers in the United States and therefore Multum does not warrant that uses outside of the United States are appropriate, unless specifically indicated otherwise. Multum's drug information does not endorse drugs, diagnose patients or recommend therapy. Multum's drug information is an informational resource designed to assist licensed healthcare practitioners in caring for their patients and/or to serve consumers viewing this service as a supplement to, and not a substitute for, the expertise, skill, knowledge and judgment of healthcare practitioners. The absence of a warning for a given drug or drug combination in no way should be construed to indicate that the drug or drug combination is safe, effective or appropriate for any given patient. Multum does not assume any responsibility for any aspect of healthcare administered with the aid of information Multum provides. The information contained herein is not intended to cover all possible uses, directions, precautions, warnings, drug interactions, allergic reactions, or adverse effects. If you have questions about the drugs you are taking, check with your doctor, nurse or pharmacist.

Copyright 1996-2012 Cerner Multum, Inc. Version: 14.02. Revision Date: 2014-06-13, 12:58:13 PM.

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