SINGULAIR is approved to help control symptoms of asthma in adults and children 12 months and older.

SINGULAIR has not been studied as a treatment option for both asthma and allergy symptoms in the same person.

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.
• 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.
• 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.