Singular (Montelukast)

Purpose of Medication and Method of Action

Singular is a drug used to prevent the acute attacks of asthma. It works by interfering with the inflammatory process (a leukotriene inhibitor) which is a necessary prerequisite to an acute attack. It is of little value when used to treat an acute attack.

Side Effects

The most significant side effects are: diarrhea, cough and pharyngitis(3%).

Drug Interactions

None of significance reported.

Cautions and Contraindications

This drug is of no value to treat acute asthmatic attacks.

Usual Dose

Adults - One tablet taken in the evening. Children 6-14 years of age - One 5 mg tablet to be chewed each evening.

Note

Because this drug prevents asthmatic attacks, it is important that no doses be missed!! If a dose is missed do not take two tablets the next day but continue one tablet daily.

Patient Medication Information

These information sheets do not list all known side effects of the medications, only the most common side effects. For a complete list of side effects please contact your local pharmacy or the actual drug manufacturing company.