Brand Names

How to Use

Zafirlukast is using to prevent asthma attacks. It is not using to relieve an attack that has already started . For relief of an asthma attack that has already started, you must use another drug. If you do not have another drug to use for an attack or if you have any questions about this, check with your health care professional.

Food may change the amount of zafirlukast that is absorbed. For this reason, it must be taken on an empty stomach, 1 hour before or 2 hours after a meal .

Dosage

• For oral dosage form - tablets:
  • For asthma:
    • Adults and children 12 years of age and older 20 milligrams - mg two times a day, on an empty stomach, at least 1 hour before or 2 hours after meals.
    • Children between 7 and 11 years of age 10 milligrams two times a day, on an empty stomach, at least 1 hour before or 2 hours after meals.
    • Children up to 7 years of age Use and dose must be determined by your family doctor.

Missed dose If you miss a dose of this drug, take it as soon as possible. However, if it is almost time for your next dose, skip the missed dose and go back to your regular dosing schedule. Do not double doses.

Storage To store this drug:

• Keep out of the reach of children.
• Store away from heat and direct light.
• Do not store in the bathroom, near the kitchen sink, or in other damp places. Heat or moisture may cause the drug to break down.
• Do not keep outdated drug or drug no longer needed. Be sure that any discarded drug is out of the reach of children.