Usual Adult Dose for Asthma -- Maintenance:
-20 mg orally twice a day, 1 hour before or 2 hours after mealsComments:-A dose of 20 mg twice daily was not associated with an increase in the overall incidence of adverse events or withdrawals in elderly patients.Use: Prophylaxis and chronic treatment of asthma
Usual Pediatric Dose for Asthma -- Maintenance:
Less than 5 years: The safety and effectiveness has not been established.5 to 11 years:-10 mg orally twice a day, 1 hour before or 2 hours after meals12 years or older:-20 mg orally twice a day, 1 hour before or 2 hours after mealsUse: Prophylaxis and chronic treatment of asthma
 Detailed Zafirlukast dosage information
