Anti-Allergic/Asthma

Singulair (Montelukast)

Singulair is used for prevention and long-term treatment of asthma. It is also used in certain patients to relieve runny nose caused by allergy and to prevent asthma attacks caused by exercise. It may also be used for other conditions as determined by your doctor.

Use Singulair as directed by your doctor. Check the label on the medicine for exact dosing instructions. Check the label on the medicine for exact dosing instructions. An extra patient leaflet is available with Singulair . Talk to your pharmacist if you have questions about this information. Take Singulair by mouth with or without food.
Continue to use Singulair even if you feel well. Do not miss any doses.
If you miss a dose of Singulair , take it as soon as possible. If it is almost time for your next dose, skip the missed dose and go back to your regular dosing schedule. Do not take 2 doses at once.

Singulair is a leukotriene receptor antagonist. It works by blocking a substance called leukotriene, which helps to decrease certain asthma and allergy symptoms.

If you miss a dose of Singulair , take it as soon as possible. If it is almost time for your next dose, skip the missed dose and go back to your regular dosing schedule. Do not take 2 doses at once.

Tablets should be stored at room temperature, 15-30 degrees C (59-86 degrees F).

Some medical conditions may interact with Singulair . Tell your doctor or pharmacist if you have any medical conditions, especially if any of the following apply to you:

• if you are pregnant, planning to become pregnant, or are breast-feeding
• if you are taking any prescription or nonprescription medicine, herbal preparation, or dietary supplement
• if you have allergies to medicines, foods, or other substances
• if you have liver problems
• if you have a history of mental or mood problems, or suicidal thoughts or actions

• Certain anticonvulsants (eg, phenobarbital) or rifampin because they may decrease Singulair 's effectiveness