For non-US health care professionals, click here.

SINGULAIR is a prescription medicine approved to help control symptoms of asthma in adults and children 12 months and older and for relief of 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 is not a rescue medication. Always carry a prescribed rescue inhaler for emergencies or sudden symptoms. For asthma, SINGULAIR should be taken once a day, in the evening as prescribed, whether or not you have asthma symptoms. If your asthma symptoms get worse or you need to increase the use of your rescue inhaler, call your doctor at once.

Side effects are generally mild and vary by age, and may include headache, ear infection, sore throat, and upper respiratory infection. Check with your doctor if you are pregnant or nursing.

SINGULAIR should not be taken by people who are sensitive to any of its ingredients.

SINGULAIR has not been studied as a treatment option for both conditions in the same person.

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 doctor. The physician Prescribing Information also is available.