SINGULAIR is a prescription medicine approved to help control sym...

SINGULAIR is a prescription medicine approved to help control symptoms of asthma in adults and children 12 months and older. IMPORTANT INFORMATION About SINGULAIR SINGULAIR will NOT replace fast-acting inhalers for sudden symptoms. Continue to take your other asthma medicines as prescribed and have fast-acting medication available. If your asthma symptoms get worse or you need to increase the use of your fast-acting 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 is available by prescription only.