Montelukast should be taken orally by adults as a 10-mg daily dose
at bedtime for the treatment of atopic asthma with or without
seasonal allergic rhinitis. This is the maximum dose for adults as
doses above 10 mg have not shown added benefit.
To treat atopic asthma in children:
• Aged 6-14 years: Montelukast should be given orally as a 5-mg
daily dose at bedtime
• Aged 2-5 years: Montelukast should be given orally as a 4-mg
daily dose at bedtime