zileuton - oral, Zyflo (cont.)
HOW TO USE: Read the Patient Information Leaflet provided by your pharmacist before you start using zileuton and each time you get a refill. If you have any questions, consult your doctor or pharmacist. Take this medication by mouth with or without food, usually 4 times daily or as directed by your doctor.Continue taking this drug as directed, even during sudden asthma attacks. Do not stop taking this medication unless directed to do so by your doctor. Do not take more than the prescribed dose. Also, do not decrease the dose or stop taking any other asthma medication unless directed to do so by your doctor.Use this medication regularly to get the most benefit from it, even during asthma attacks and periods when you have no asthma symptoms. To help you remember, take it at the same times each day.Seek immediate medical attention if your asthma symptoms worsen, if you notice that you are using more of your quick-relief inhaler (e.g., albuterol, salbutamol), or if you need to use the quick-relief inhaler more than the maximum number of times prescribed in 24 hours.
SIDE EFFECTS: Nausea, drowsiness, constipation, dizziness, trouble sleeping, gas, joint pain, eye redness, or vomiting may occur. If any of these effects persist or worsen, tell your doctor or pharmacist promptly.Remember that your doctor has prescribed this medication because he or she has judged that the benefit to you is greater than the risk of side effects. Many people using this medication do not have serious side effects.Tell your doctor immediately if any of these unlikely but serious side effects occur: chest pain, neck pain/stiffness.Tell your doctor immediately if any of these rare but very serious side effects occur: mental/mood changes (e.g., agitation, aggression, hallucinations, abnormal dreams, depression, suicidal thoughts/suicide), yellowing skin/eyes, dark urine, severe stomach/abdominal pain, unusual tiredness, flu-like symptoms (e.g., headache, fever, chills, muscle aches).A very serious allergic reaction to this drug is rare. However, seek immediate medical attention if you notice any symptoms of a serious allergic reaction, including: rash, itching/swelling (especially of the face/tongue/throat), severe dizziness, trouble breathing.This is not a complete list of possible side effects. If you notice other effects not listed above, contact your doctor or pharmacist.In the US -Call your doctor for medical advice about side effects. You may report side effects to FDA at 1-800-FDA-1088.In Canada - Call your doctor for medical advice about side effects. You may report side effects to Health Canada at 1-866-234-2345.
Report Problems to the Food and Drug Administration
You are encouraged to report negative side effects of prescription drugs to the FDA. Visit the FDA MedWatch website or call 1-800-FDA-1088.
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