Montelukast
Also sold as: Singulair, Montiget
Prescription neededAsthma and breathing
Comes as:TabletChewable tabletSachet
Also sold as: Singulair, Montiget
Usual adult dose: 10 mg once a day in the evening. Children: chewable tablets or granules by age (4 or 5 mg) — ask your doctor. It does not relieve a sudden attack.
Your doctor may give you a different dose. Children's doses depend on weight.
Stop taking it and see a doctor straight away if you notice:
Medicines that can react with this one.
Phenobarbital can lower montelukast levels and reduce its effect.