Source: IMS Health, NPATM Monthly, Custom Market Definition, Dispensed TRx, January 2003 to December 2010
SINGULAIR is a prescription medicine used to prevent asthma attacks and for long-term treatment of asthma in adults and children 12 months and older.SINGULAIR is a prescription medicine used to prevent asthma attacks and for long-term treatment of asthma in adults and children 12 months and older.
IMPORTANT SAFETY INFORMATION
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You or your child should not take SINGULAIR for relief right away from a sudden asthma attack. Always have your or your child's rescue inhaler medicine with you for asthma attacks. Tell your healthcare provider right away if your or your child's asthma symptoms get worse or if you need, or your child needs, to use rescue inhaler medicine more often for asthma attacks.
Important Safety Information continued below
WHAT DOES SINGULAIR DO?
Taken once a day, prescription SINGULAIR helps prevent asthma symptoms for a full 24 hours.
That means you can breathe a little easier while doing the things you want to do.
In clinical studies of people with asthma, those who took a placebo (sugar pill) were compared with those who were treated with prescription SINGULAIR. The people using SINGULAIR had:
- Less need to use their fast-acting inhaler
- Fewer asthma symptoms during the day
- Fewer awakenings at night due to asthma symptoms
- Fewer asthma attacks*
- More days that their asthma was controlled
*An asthma attack was defined as an emergency room visit, a hospital admission, an unscheduled office visit, or a need for oral, intravenous, or intramuscular corticosteroid.
IMPORTANT SAFETY INFORMATION (continued)
- 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, or your child has, any of these symptoms while taking SINGULAIR.
- 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.






