Singulair Dosage

The Singulair dosage that a person is prescribed will depend on the condition being treated. For example, when treating nasal allergies, the dose can range from 4 mg to 10 mg. Other factors that affect a person's Singulair dosage include age and if other medical conditions are present.

 

Singulair Dosage: An Introduction

The dose of Singulair® (montelukast sodium) that your healthcare provider recommends will vary, depending on a number of factors, including:
 
  • Your age
  • Other medical conditions you may have
  • Other medications you may be taking.
     
As is always the case, do not adjust your Singulair dose unless your healthcare provider specifically instructs you to do so.
 

Singulair Dosage for Asthma or Allergies

The recommended Singulair dose for adults and adolescents age 15 and older is Singulair 10 mg a day. For children ages 6 to 14 years old, the recommended dose is Singulair 5 mg, taken once daily. For young children ages 2 to 5 years old, the recommended dose is Singulair 4 mg (either as a chewable tablet or packet of oral granules), taken once daily. For children age 6 to 23 months old, the recommended dose is one packet of Singulair oral granules (4 mg), taken once daily.
 
When treating asthma, it is generally best to take Singulair in the evening to prevent nighttime asthma symptoms. To prevent exercise-induced asthma, the recommended dose for adults and adolescents age 15 and older is Singulair 10 mg, taken two hours before exercise. The medication should not be taken more frequently than every 24 hours, and should not be taken before exercise if you are already taking it once a day.
 

General Singulair Dosage Information

Considerations for people taking Singulair include the following:
 
 
  • The medication comes in tablet form and is taken by mouth once a day (in the evening, if used for asthma), although some people take it only before exercising (for treating exercise-induced asthma).
     
  • Singulair also comes in a chewable tablet and oral granules for use in younger children.
     
  • The oral granules can be given directly in the mouth, dissolved in a teaspoonful of cold or room-temperature baby formula or breast milk, or mixed with a spoonful of cold or room-temperature soft applesauce, strained carrots, rice, or ice cream.
     
  • You can take Singulair with or without food. If the medication bothers your stomach, try taking it with food.
     
  • Singulair should be taken at the same time each day to maintain an even level in your blood.
     
  • For the medication to work properly, it must be taken as prescribed. Singulair will not work if you stop taking it.
     
  • If you are unsure about anything related to Singulair or your Singulair dosage, talk to your doctor, nurse, or pharmacist. Do not stop taking the drug without first discussing it with your healthcare provider.
     
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Written by/reviewed by: Kristi Monson, PharmD; Arthur Schoenstadt, MD
Last reviewed by: Kristi Monson, PharmD;