Monograph Details

Respiratory Tract > Asthma/COPD
ACCOLATE
Manufacturer
AstraZeneca Pharmaceuticals
Legal Classification
Rx
Pharmacological Class
Leukotriene receptor antagonist.
Generic Name
Zafirlukast 10mg, 20mg; tabs.
Indications
Prophylaxis and chronic treatment of asthma.
Children
Take 1 hour before or 2 hours after meals. <5 years: not recommended. 5–11years: 10mg twice daily.
Adults
Take 1 hour before or 2 hours after meals. 20mg twice daily.
Precautions
Not for primary treatment of acute attack. Discontinue if clinical symptoms of liver dysfunction occur; do not resume if confirmed by lab results. Caution when withdrawing from oral steroids. Elderly. Pregnancy (Cat.B). Nursing mothers: not recommended.
Interactions
Potentiates warfarin (monitor PT and adjust warfarin dose). Caution with drugs metabolized by CYP2C9 (eg, tolbutamide, phenytoin, carbamazepine) or CYP3A4 (eg, dihydropyridine calcium channel blockers, cyclosporine, cisapride). Zafirlukast plasma levels reduced by erythromycin, theophylline. Zafirlukast plasma levels increased by aspirin. May increase theophylline levels.
Adverse Reactions
Headache, infection, GI upset, pain, fever; rarely, hepatic dysfunction (esp. in females), agranulocytosis.
How Supplied
Tabs—60
Additional Resources
Related Prescribing Note