Asthma Home > Important Information on Zafirlukast

Dosing Information

The dose of zafirlukast your healthcare provider recommends will vary, depending on a number of factors, including:
  • Your age
  • Other medical conditions you may have
  • Other medications you may be taking.
As always, do not adjust your dose unless your healthcare provider specifically tells you to do so.
(Click Zafirlukast Dosing for more information.)

Side Effects

As with any medicine, side effects are possible with zafirlukast. However, not everyone who takes the medication will experience problems. In fact, most people tolerate it well. If side effects do occur, in most cases, they are minor and either require no treatment or can be treated easily by you or your healthcare provider. Serious reactions are less common.
Common side effects seen with zafirlukast include but are not limited to:
(Click Side Effects of Zafirlukast to learn more, including potentially serious side effects you should report to your healthcare provider.)

Zafirlukast Drug Interactions

Zafirlukast can potentially interact with several other medicines (see Drug Interactions With Zafirlukast for more information).
Written by/reviewed by:
Last reviewed by: Kristi Monson, PharmD;
Last updated/reviewed:
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