|(za FIR loo
Leukotriene Receptor Antagonist|
|Reasons not to take this medicine|
- If you have an allergy to zafirlukast or any other part of the
|What is this medicine used for?|
- This medicine is used in the prevention and long-term treatment of
asthma. It is not
for the immediate (urgent) treatment of an asthma
|How does it work?|
- Zafirlukast decreases the body's production of a group of chemicals
called leukotrienes that worsen
|How is it best taken?|
- Take on an empty stomach. Take 1 hour before or 2 hours after
|What do I do if I miss a dose?|
- Take a missed dose as soon as possible.
- If it is almost time for the next dose, skip the missed one. Return to
your regular schedule.
- Do not take a double dose or extra doses.
- Do not change dose or stop taking medicine without talking with
|What are the precautions when taking this
- Check medicines with healthcare provider. This medicine may not mix
well with other medicines. Erythromycin and theophylline may decrease medicine's
- Wear disease medical alert identification for asthma.
- Use caution with aspirin and aspirin-containing products. Side effects
of these medicines may be increased.
- If you are on warfarin (blood thinner) you will require more frequent
monitoring if this medicine is added.
- Tell healthcare provider if you are allergic to any medicine. Make
sure to tell about the allergy and how it affected you. This includes telling
about rash; hives; itching; shortness of breath; wheezing; cough; swelling of
face, lips, tongue, throat; or any other symptoms involved.
- Tell healthcare provider if you are pregnant or plan on getting
- Do not use if you are
|What are the common side effects of this
- Headache. Mild pain medicine may help.
- Nausea or vomiting. Small frequent meals, frequent mouth care, sucking
hard candy, or chewing gum may help.
- Belly pain and cramps.
- Rarely, liver disease may
|What should I monitor?|
- Check prothrombin time/INR if you are on warfarin. Talk with
- Follow up with healthcare
|Reasons to call healthcare provider
- Signs of a life-threatening reaction. These include wheezing;
tightness in the chest; fever; itching; bad cough; blue skin color; fits;
swelling of face, lips, tongue, or throat.
- Severe nausea, vomiting, and/or diarrhea.
- Nausea, vomiting, belly pain, itchy, flu-like feeling, feeling tired,
dark urine, yellow eyes or skin, not hungry.
- Any rash.
- No improvement in condition or feeling
|How should I store this medicine?|
- Store in the original container at room temperature. Protect from
light and moisture.
- Do not share your medicine with others and do not take anyone else's
- Keep all medicine out of the reach of children and pets.
- Keep a list of all your medicines (prescription, herbal/supplements,
vitamins, over-the-counter) with you. Give this list to healthcare provider
(doctor, nurse, pharmacist, physician assistant).
- Talk with healthcare provider before starting any new medicine,
including over-the-counter or natural products (herbs,
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