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ZILEUTON (zye LOO ton) is used to treat asthma. It helps to decrease the symptoms of asthma. Do not use for an acute asthma attack.
This medicine may be used for other purposes; ask your health care provider or pharmacist if you have questions.
They need to know if you have any of these conditions:
if you frequently drink alcohol containing drinks
fever or infection
an unusual or allergic reaction to zileuton, other medicines, foods, dyes, or preservatives
pregnant or trying to get pregnant
Take this medicine by mouth with a glass of water. Follow the directions on your prescription label. Take your doses at regular intervals. This medicine may be taken with meals and at bedtime. For ease of swallowing, the tablets may be taken whole or split in half. Do not take your medicine more often than directed. Do not stop taking except on your doctor's advice.
Talk to your pediatrician regarding the use of this medicine in children. While this medicine has been used in children as young as 12 years of age, precautions do apply.
Overdosage: If you think you have taken too much of this medicine contact a poison control center or emergency room at once.
NOTE: This medicine is only for you. Do not share this medicine with others.
If you miss a dose, take it as soon as you can. If it is almost time for your next dose, take only that dose. Do not take double or extra doses.
theophylline or aminophylline
This list may not describe all possible interactions. Give your health care provider a list of all the medicines, herbs, non-prescription drugs, or dietary supplements you use. Also tell them if you smoke, drink alcohol, or use illegal drugs. Some items may interact with your medicine.
Visit your doctor or health care professional for regular checks on your progress. Because this drug may affect liver function, you will receive regular blood tests to check your liver enzymes.
It may take a few weeks to notice the full benefit of this medicine. Tell your doctor or health care professional if your asthma symptoms do not improve. Take this medicine even when you do not have any asthma symptoms. Feeling well is a sign the medicine is working to control your asthma. Do not stop taking your medicine unless your doctor tells you to.
Talk to your doctor about what to do if you have an acute asthma attack. This medicine does not treat an acute attack. Always have your inhaled rescue medicine for asthma attacks with you.
Patients and their families should watch for new or worsening thoughts of suicide or depression. Also watch for sudden changes in feelings such as feeling anxious, agitated, panicky, irritable, hostile, aggressive, impulsive, severely restless, overly excited and hyperactive, or not being able to sleep. Any worsening of mood or thoughts of suicide or dying should be reported to your health care professional right away.
Side effects that you should report to your doctor or health care professional as soon as possible:
allergic reactions like skin rash, itching or hives, swelling of the face, lips, or tongue
flu-like symptoms (chills, fatigue, fever, muscle aches)
suicidal thoughts or other mood changes
unusually weak or tired
yellowing of the skin or eyes
Side effects that usually do not require medical attention (report to your doctor or health care professional if they continue or are bothersome):
This list may not describe all possible side effects. Call your doctor for medical advice about side effects. You may report side effects to FDA at 1-800-FDA-1088.
Keep out of the reach of children.
Store at room temperature between 20 and 25 degrees C (68 and 77 degrees F). Protect from light. Throw away any unused medicine after the expiration date.