What is Quetiapine used for?
Qutan, Quetiapine tablets and extended-release (long-acting) tablets are used to treat the symptoms of schizophrenia (a mental illness that causes disturbed or unusual thinking, loss of interest in life, and strong or inappropriate emotions). Qutan, Quetiapine tablets and extended-release tablets are also used alone or with other medications to treat episodes of mania (frenzied, abnormally excited or irritated mood) or depression in patients with bipolar disorder (manic depressive disorder; a disease that causes episodes of depression, episodes of mania, and other abnormal moods). In addition, quetiapine tablets and extended-release tablets are used with other medications to prevent episodes of mania or depression in patients with bipolar disorder. Quetiapine extended-release tablets are also used along with other medications to treat depression.
How should this Gutan be used?
Qutan, Quetiapine comes as a tablet and an extended-release tablet to take by mouth. The tablets are usually taken one to three times a day, with or without food. The extended-release tablets are usually taken once a day in the evening without food or with a light meal. Take quetiapine at around the same time(s) every day. Follow the directions on your label carefully, and ask your doctor or pharmacist to explain any part you do not understand. Take quetiapine exactly as directed. Do not take more or less of it or take it more often than prescribed by your doctor.
Swallow Qutan, quetiapine tablet extended-release tablets whole; do not split, chew, or crush them.
Your doctor will probably start you on a low dose of Qutan, quetiapine and gradually increase your dose during the first week of your treatment. Ask your doctor or pharmacist if you have any questions about the amount of drug you should take each day at the beginning of your treatment.
If you do not take Qutan, quetiapine for one week or longer, you should call your doctor before you start taking the drug again. Your doctor will probably tell you to start taking a low dose of the drug and gradually increase your dose as you did when you first started taking quetiapine tablet.
Qutan, Quetiapine may help control your symptoms but will not cure your condition. Continue to take quetiapine even if you feel well. Do not stop taking quetiapine without talking to your doctor. If you suddenly stop taking quetiapine, you may experience withdrawal symptoms such as nausea, vomiting, and difficulty falling asleep or staying asleep. Your doctor will probably want to decrease your dose gradually.
Other uses for Gutan drug
This medication may be prescribed for other uses; ask your doctor or pharmacist for more information.
Drug interactions may change how your medications work or increase your risk for serious side effects. This document does not contain all possible drug interactions.
Keep a list of all the products you use (including
prescription/nonprescription drugs and herbal products) and share it
with your doctor and pharmacist. Do not start, stop, or change the dosage of any medicines without your doctor’s approval.
What special precautions should I follow?
Before taking Qutan, quetiapine,
- tell your doctor and pharmacist if you are allergic to Qutan, quetiapine, any other medications. or any of the ingredients in Qutan, quetiapine tablets or extended-release tablets. Ask your doctor or pharmacist or check the Medication Guide for a list of the ingredients.
- tell your doctor and pharmacist what prescription and nonprescription medications, vitamins, nutritional supplements and herbal products you are taking or plan to take. Be sure to mention any of the following: antidepressants; certain antifungals such as fluconazole (Diflucan), itraconazole (Sporanox), ketoconazole (Nizoral), and voriconazole (Vfend); antihistamines; barbiturates such as phenobarbital; carbamazepine (Tegretol); chlorpromazine; divalproex (Depakote); certain medications for irregular heartbeat such as amiodarone (Cordarone), procainamide, quinidine, and sotalol (Betapace, Betapace AF, Sorine); dopamine agonists such as bromocriptine (Parlodel), cabergoline (Dostinex), levodopa (Dopar, Larodopa), pergolide (Permax), and ropinirole (Requip); erythromycin (E.E.S., E-Mycin, Erythrocin); gatifloxacin (Zymar, Zymaxid); levodopa (in Parcopa, in Sinemet, in Stalevo); levomethadyl acetate (Orlaam) (not available in the U.S.), medications for anxiety, high blood pressure, irritable bowel disease, mental illness, motion sickness, Parkinson’s disease, ulcers, or urinary problems; medications for human immunodeficiency virus (HIV) such as indinavir (Crixivan), nelfinavir (Viracept), ritonavir (Norvir, in Kaletra), and saquinavir (Invirase); methadone (Dolophine, Methadose); moxifloxacin (Avelox, Moxeza, Vigamox); pentamidine (Nebupent, Pentam); phenytoin (Dilantin); rifampin (Rifadin, Rimactane); sedatives; oral steroids such as dexamethasone (Decadron, Dexone), methylprednisolone (Medrol), and prednisone (Deltasone); sleeping pills; thioridazine (Mellaril); tranquilizers; and ziprasidone (Geodon). Your doctor may need to change the doses of your medications or monitor you carefully for side effects.
- tell your doctor if you or anyone in your family has or has ever had diabetes or a prolonged QT interval (a rare heart problem that may cause irregular heartbeat, fainting, or sudden death). Also tell your doctor if you have ever used street drugs or overused prescription medications, if you have severe nausea or diarrhea, hypokalemia or hypomagnesemia, or think you may be dehydrated. Tell your doctor if you have or have ever had a prolonged QT interval, any condition that makes it difficult for you to swallow,trouble keeping your balance, seizures, cataracts, a low number of white blood cells in your blood, high cholesterol, high prolactin levels, high or low blood pressure, a heart attack, a stroke, breast cancer or thyroid, heart or liver disease. If you have ever had to stop taking a medication for mental illness because of severe side effects, be sure to tell your doctor.
- tell your doctor if you are pregnant, especially if you are in the last few months of your pregnancy, or if you plan to become pregnant or are breast-feeding. If you become pregnant while taking Qutan, quetiapine, call your doctor. Quetiapine may cause problems in newborns following delivery if it is taken during the last months of pregnancy. You should not breast-feed while taking quetiapine.
- if you are having surgery, including dental surgery, tell your doctor or dentist that you are taking quetiapine.
- you should know that quetiapine may make you drowsy. Do not drive a car or operate machinery and take precautions to avoid falls until you know how this drug affects you.
- you should know that alcohol can add to the drowsiness caused by this drug. Do not drink alcohol while taking quetiapine.
- you should know that you may experience hyperglycemia (increases in your blood sugar) while you are taking this drug, even if you do not already have diabetes. If you have schizophrenia, you are more likely to develop diabetes than people who do not have schizophrenia, and taking quetiapine or similar medications may increase this risk. Tell your doctor immediately if you have any of the following symptoms while you are taking quetiapine: extreme thirst, frequent urination, extreme hunger, blurred vision, or weakness. It is very important to call your doctor as soon as you have any of these symptoms, because high blood sugar can cause a serious condition called ketoacidosis. Ketoacidosis may become life-threatening if it is not treated at an early stage. Symptoms of ketoacidosis include: dry mouth, nausea and vomiting, shortness of breath, breath that smells fruity, and decreased consciousness.
- you should know that quetiapine may make it harder for your body to cool down when it gets very hot. While you are taking quetiapine, you should avoid excessive exercise, stay inside as much as possible and dress lightly in hot weather, stay out of the sun, and drink plenty of fluids.
- you should know that quetiapine may cause dizziness, lightheadedness, and fainting when you get up too quickly from a lying position. This is more common when you first start taking quetiapine and when your dose is increased. To avoid this problem, get out of bed slowly, resting your feet on the floor for a few minutes before standing up.
- you should know that quetiapine may cause an increase in blood pressure in children and teenagers taking quetiapine. When quetiapine is used in children or teenagers, your doctor will check your blood pressure before starting treatment and regularly while you are taking this drug.
- you should know that when Qutan, quetiapine is used to treat schizophrenia or bipolar disorder in children, it should be used as part of a total treatment program which may include counseling and special education. Make sure to follow all of your doctor’s and/or therapist’s instructions.
What special dietary instructions should I follow?
Talk to your doctor about eating grapefruit and drinking grapefruit juice while taking this medicine.
You should know that you may gain weight while you are taking this drug. Talk to your doctor about ways to control weight gain, such as eating a healthy, balanced diet and exercising. You and your doctor should check your weight regularly while you are taking quetiapine.
Be sure to drink plenty of water every day while you are taking this drug.
What should I do if I forget a dose?
Take the missed dose as soon as you remember it. However, if it is almost time for the next dose, skip the missed dose and continue your regular dosing schedule. Do not take a double dose to make up for a missed one.
What side effects can this drug cause?
Quetiapine may cause side effects. Tell your doctor if any of these symptoms or those listed in the SPECIAL PRECAUTIONS section are severe or do not go away:
- dizziness, feeling unsteady, or having trouble keeping your balance
- pain in the joints, back, neck, or ears
- dry mouth
- stomach pain or swelling
- increased appetite
- excessive weight gain
- stuffy nose
- difficulty thinking or concentrating
- difficulty speaking or using language
- loss of coordination
- unusual dreams
- numbness, burning, or tingling in the arms or legs
- missed menstrual periods
- breast enlargement in males
- discharge from the breasts
- decreased sexual desire or ability
Some side effects can be serious. If you experience any of the following symptoms or those listed in the IMPORTANT WARNING or SPECIAL PRECAUTIONS section, call your doctor immediately or get emergency medical treatment:
- changes in vision
- uncontrollable movements of your arms, legs, tongue, face, or lips
- painful erection of the penis that lasts for hours
- muscle stiffness, pain, or weakness
- excess sweating
- fast or irregular heartbeat
- unusual bleeding or bruising
- sore throat, fever, chills, difficult or painful urination and other signs of infection
- tightening of the neck muscles or the throat
- tongue sticking out
- difficulty breathing or swallowing
Quetiapine may cause other side effects. Call your doctor if you have any unusual problems while taking this drug.
Quetiapine may cause cataracts. You will need to have eye exams to check for cataracts at the beginning of your treatment and every six months during your treatment. Talk to your doctor about the risks of taking quetiapine.
Symptoms of overdose may include the following:
- fast heartbeat
What other information should I know?
Keep all appointments with your doctor and the laboratory. Your doctor may order certain lab tests to check your body’s response to quetiapine.
Before having any laboratory test, tell your doctor and the laboratory personnel that you are taking quetiapine.
Do not let anyone else take your medication. Ask your pharmacist any questions you have about refilling your prescription.
It is important for you to keep a written list of all of the prescription and nonprescription (over-the-counter) medicines you are taking, as well as any products such as vitamins, minerals, or other dietary supplements. You should bring this list with you each time you visit a doctor or if you are admitted to a hospital. It is also important information to carry with you in case of emergencies.
- Seroquel® XR
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