(mon te LOO kast)

Montelukast (Singulair) is a medicine that is used in the treatment of mild to moderate asthma and/or seasonal allergies.

This medication works in your child’s immune system by decreasing the ability to cause inflammation and tightness in the airways.

This medication is given by mouth and is available as a chewable tablet, tablet and oral granules.

  • This medicine is not intended to stop an acute asthma attack. Do not take for symptoms of wheezing and difficulty breathing.
  • The chewable tablet contains phenylalanine.
  • The oral granules can be given into the child's mouth or mixed with a soft food (e.g., pudding or apple sauce), but should not be mixed in liquid. Your child may drink liquid after taking the dose.
  • If the oral granules are mixed with food, give the dose to the child within 15 minutes of mixing with the food.
  • This medicine can be taken with or without food.
  • Inform your child's doctor about any other medicine that your child is taking, including over-the-counter and herbal medicines.
  • Take this medicine exactly as prescribed by your child's doctor. Do not stop taking it unless instructed to do so by the doctor, even if your child is feeling better.
  • Do not use after the expiration on the bottle or package.
  • Keep this medication out of the reach of children.
  • If too much medicine is taken by accident, call the Drug and Poison Information Center (DPIC, 513-636-5111 or 1-800-222-1222), or call your child's doctor immediately.

For any questions about your child's dosing schedule and/or missed doses, contact the healthcare provider who prescribed the medication.

  • Abdominal or stomach pain
  • Cough
  • Dizziness
  • Fever
  • Stuffy nose
  • Weakness or unusual tiredness
  • Headache
  • Tingling or numbness in your child's arms or legs
  • Rash
  • Severe pain or swelling of the sinuses
  • Worsening asthma symptoms

Last Updated 11/2013