SINGULAIR is a prescription medicine used to help relieve symptoms of indoor and outdoor allergies (outdoor allergies in adults and children as young as 2 years and indoor allergies in adults and children as young as 6 months).
IMPORTANT SAFETY INFORMATION
- SINGULAIR may cause serious side effects. Behavior and mood-related changes have been reported: agitation including aggressive behavior or hostility, bad or vivid dreams, depression, disorientation (confusion), feeling anxious,
hallucinations (seeing or hearing things that are not really there), irritability, restlessness, sleepwalking, suicidal thoughts and actions (including suicide), tremor, and trouble sleeping. Tell your healthcare provider right away if you have any of these symptoms while taking SINGULAIR. Important Safety Information continued below
ONCE-A-DAY SINGULAIR
Once-a-day SINGULAIR is an allergy relief medicine that is easy to take.
How to take SINGULAIR:
For adults and children 2 years and older for outdoor allergies and 6 months and older for indoor allergies:
- Take SINGULAIR once a day, with or without food.
- Take SINGULAIR at any time of day (take at about the same time each day).
- Keep taking SINGULAIR for as long as your healthcare provider tells you to take it.
Once-a-day SINGULAIR comes in 4 forms:

Tablet may not be shown at actual size
Tablet
Dosage: One 10-mg tablet once a day
Age: Adults and adolescents 15 years and older
How to take SINGULAIR: Take SINGULAIR at any time of day (take at about the same time each day)

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Cherry chewable 5-mg tablet
Dosage: One 5-mg cherry chewable tablet once a day
Age: Children 6 to 14 years old
How to take SINGULAIR: Take SINGULAIR at any time of day (take at about the same time each day)

Tablet may not be shown at actual size
Cherry chewable 4-mg tablet
Dosage: One 4-mg cherry chewable tablet once a day
Age: Children 2 to 5 years old
How to take SINGULAIR: Take SINGULAIR at any time of day (take at about the same time each day)

Packet shown not actual size.
Oral granules
Dosage: One packet of 4-mg oral granules once a day
Age: Children 2 to 5 years old with outdoor allergies and 6 months to 5 years old with indoor allergies
How to give SINGULAIR oral granules:
- Open packet when ready to use.
- Sprinkle the granules directly into your child's mouth.
- Pour the entire packet of granules onto an empty spoon.
- Mix the entire packet of granules with a teaspoonful of cold or room temperature breast milk or formula.
- Mix the entire packet of granules with a teaspoonful of cold or room temperature applesauce, mashed carrots, rice, or ice cream.
- Be sure to feed the entire teaspoonful of oral granules to your child right away (within 15 minutes).
Ask your healthcare provider if it is time to treat your allergy symptoms with SINGULAIR.
IMPORTANT SAFETY INFORMATION (continued)
- The most common side effects with SINGULAIR include upper respiratory infection, fever, headache, sore throat, cough, stomach pain, diarrhea, earache or ear infection, flu, runny nose, and sinus infection.
- Parents or guardians of a child with phenylketonuria: Note that cherry chewable tablets contain phenylalanine, a component of aspartame.
- SINGULAIR should not be taken by people who are sensitive to any of its ingredients.
You are encouraged to report negative side effects of prescription drugs to the FDA.
Visit www.fda.gov/medwatch, or call 1-800-FDA-1088.
Please read the Patient Information and discuss it with your healthcare provider.
The physician Prescribing Information also is available.
This site is intended only for residents of the United States, its territories, and Puerto Rico.
For non-US health care professionals, click here.




