
RECAUTIONS: Before taking montelukast, tell your doctor or pharmacist if you are allergic to it; or if you have any other allergies. Before using this drug, tell your doctor or pharmacist your medical history, especially of: liver disease. Use of this medication is not recommended in children less than 15 years old. This medication should be used only when clearly needed during pregnancy. Discuss the risks and benefits with your doctor. It is not known whether this drug is excreted into breast milk. Consult your doctor before breast-feeding.

If you already take this medication to prevent asthma or allergy symptoms, do not use it for exercise-induced bronchoconstriction.

Singulair should be taken at the same time each day to maintain an even level in your blood.

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