Prevention and long-term treatment of asthma. It is also used in certain patients to relieve runny nose caused by allergies and to prevent asthma attacks caused by exercise. It may also be used for other conditions as determined by your doctor.
Singulair is a leukotriene receptor antagonist. It works by blocking a substance called leukotriene, which helps to decrease certain asthma and allergy symptoms.
Contact your doctor or health care provider right away if any of these apply to you.
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:
Some MEDICINES MAY INTERACT with Singulair . Tell your health care provider if you are taking any other medicines, especially any of the following:
This may not be a complete list of all interactions that may occur. Ask your health care provider if Singulair may interact with other medicines that you take. Check with your health care provider before you start, stop, or change the dose of any medicine.
Use Singulair as directed by your doctor. Check the label on the medicine for exact dosing instructions.
Ask your health care provider any questions you may have about how to use Singulair .
All medicines may cause side effects, but many people have no, or minor, side effects. Check with your doctor if any of these most COMMON side effects persist or become bothersome:
Cough; dizziness; headache; indigestion; nausea; stomach upset or pain; stuffy nose; tiredness; trouble sleeping; weakness.Seek medical attention right away if any of these SEVERE side effects occur:
Severe allergic reactions (rash; hives; itching; difficulty breathing; tightness in the chest; swelling of the mouth, face, lips, or tongue); aggressive behavior; agitation; chest pain; dark urine; fever; flu-like symptoms; hallucinations; irregular heartbeat; mental or mood changes; new or worsening wheezing or other breathing problems; numbness or tingling of the hands or feet; seizures; severe or persistent stomach pain; severe sinus inflammation; suicidal thoughts or actions; swelling; tremor; unusual bruising or bleeding; upper respiratory tract infection; yellowing of the skin or eyes.
This is not a complete list of all side effects that may occur. If you have questions about side effects, contact your health care provider. Call your doctor for medical advice about side effects. You may report side effects to FDA at 1-800-FDA-1088. You may also report side effects at http://www.fda.gov/medwatch.
Contact 1-800-222-1222 (the American Association of Poison Control Centers), your local poison control center (http://www.aapcc.org), or emergency room immediately. Symptoms may include hyperactivity; severe or persistent headache; stomach pain; unusual drowsiness or restlessness; unusual thirst; vomiting.Proper storage of Singulair :
Store Singulair at 77 degrees F (25 degrees C). Brief storage at temperatures between 59 and 86 degrees F (15 and 30 degrees C) is permitted. Store away from heat, moisture, and light. Do not store in the bathroom. Keep Singulair out of the reach of children and away from pets.
This information is a summary only. It does not contain all information about Singulair . If you have questions about the medicine you are taking or would like more information, check with your doctor, pharmacist, or other health care provider.