Montelukast Orion treats asthma by blocking substances that cause airway narrowing and swelling, helping to ease breathing and prevent asthma symptoms day and night.
One 5 mg chewable tablet once a day, usually in the evening.
You can chew the tablet or swallow it whole with water. Take on an empty stomach, at least one hour before or two hours after a meal.
One 5 mg chewable tablet per day.
Suitable for older adults. Consider possibility of adverse neuropsychiatric effects. Avoid grapefruit. (updated 17.2.2025)