zafirlukast, a leukotriene receptor antagonist interfering with substances that cause swelling and tightening of the airway. ▪ INDICATIONS: This drug is used for prophylaxis and chronic treatment of asthma in children and adults. ▪ CONTRAINDICATIONS: Known hypersensitivity to this drug prohibits its use. ▪ ADVERSE EFFECTS: Adverse effects of this drug include headache, dizziness, nausea, diarrhea, abdominal pain, vomiting, infections, pain, asthenia, myalgia, fever, dyspepsia, and increased ALT.
