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  • Basic Info
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Generic: zafirlukast
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It is used to prevent and treat the symptoms of asthma
               



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What is this medicine?

ZAFIRLUKAST (za FIR loo kast) is used to prevent and treat the symptoms of asthma. Do not use for an acute asthma attack.

What should I tell my health care provider before I take this medicine?

They need to know if you have any of these conditions:
  • Churg- Strauss syndrome
  • liver disease
  • suicidal thoughts, plans, or attempt; a previous suicide attempt by you or a family member
  • an unusual or allergic reaction to zafirlukast, other medicines, foods, dyes, or preservatives
  • pregnant or trying to get pregnant
  • breast- feeding

How should I use this medicine?

Take this medicine by mouth on an empty stomach, at least 1 hour before or 2 hours after meals. Follow the directions on your prescription label. Do not take your medicine more often than directed. Do not stop taking your medicine unless your doctor tells you to.

Talk to your pediatrician regarding the use of this medicine in children. While this drug may be prescribed for children as young as 5 years of age for selected conditions, precautions do apply.

What if I miss a dose?

If you miss a dose, use it as soon as you can. If it is almost time for the next dose, skip the previous dose. Do not use double or extra doses.

What may interact with this medicine?

Do not take this medicine with any of the following medications:
  • cisapride

This medicine may also interact with the following medications:

  • aspirin
  • carbamazepine
  • cilostazol
  • cyclosporine
  • dofetilide
  • erythromycin or clarithromycin
  • medicines for lowering heart rate or blood pressure like diltiazem, felodipine, nifedipine, quinidine, or verapamil
  • phenytoin
  • sildenafil
  • theophylline
  • tolbutamide
  • warfarin

What should I watch for while using this medicine?

Visit your doctor or health care professional for regular checks on your progress. Let them know if your symptoms do not improve. Take your medicine even when you do not have symptoms.

Talk to your doctor about what to do in an acute asthma attack. Always have your inhaled rescue medicine for asthma attacks with you.

               
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