Zyflo CR (Zileuton Extended Release Tablets) Drug Overview of Side Effects and Precautions for Patients and Caregivers at RxList

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May 27, 2012

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Asthma »

Myths, facts, and statistics about asthma

Before we present the typical symptoms of asthma, we should dispel some common myths about this condition. This is best achieved by conducting a short true or false quiz.

T or F - Asthma is "all in the mind."
T or F - You will "grow out of it."
T or F - Asthma can be cured, so it is not serious and nobody dies from it.
T or F - You are likely to develop asthma if someone in your family has it.
T or F - You can "catch" asthma from someone else who has it.
T or F - Moving to a different location, such as the desert, can cure asthma.
T or F - People with asthma should not exercise.
T or F - Asthma is best controlled when one has an asthma management plan designed by your doctor. This should include the medications used for quick relief as well as maintenance therapy.
T or F - Medications used to treat asthma are habit...

Read the Asthma article »

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SIDE EFFECTS: Nausea, diarrhea or trouble sleeping may occur. If either 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 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, persistent nausea/vomiting.

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.

PRECAUTIONS: Before taking zileuton, tell your doctor or pharmacist if you are allergic to it; or if you have any other allergies. This product may contain inactive ingredients, which can cause allergic reactions or other problems. Talk to your pharmacist for more details.

This medication should not be used if you have a certain medical condition. Before using this medicine, consult your doctor or pharmacist if you have: current liver disease.

Before using this medication, tell your doctor or pharmacist your medical history, especially of: liver disease, alcohol use.

This medication may cause liver problems. Limit alcoholic beverages because alcohol may increase your risk for liver problems. Ask your doctor or pharmacist for more information.

Older women may be more sensitive to the effects of the drug, especially liver problems.

During pregnancy, this medication should be used only when clearly needed. Discuss the risks and benefits with your doctor.

It is unknown if this medication passes into breast milk. Consult your doctor before breast-feeding.