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Hay fever is a misnomer. Hay is not a usual cause of this problem, and it does not cause fever. Early descriptions of sneezing, nasal congestion, and eye irritation while harvesting field hay promoted this popular term. Allergic rhinitis is the correct term used to describe this allergic reaction, and many different substances cause the allergic symptoms noted in hay fever. Rhinitis means "irritation of the nose" and is a derivative of rhino, meaning nose. Allergic rhinitis which occurs during a specific season is called "seasonal allergic rhinitis." When it occurs throughout the year, it is called "perennial allergic rhinitis." Rhinosinusitis is the medical term that refers to inflammation of the nasal lining as well as the lining tissues of the sinuses. This term is sometime used because the two conditions frequently occur together.
Symptoms of allergic rhinitis, or hay fever...
Medical Editor: Melissa Conrad Stöppler, MD
Singulair (montelukast) is a leukotriene receptor antagonist drug used in the treatment of asthma and allergic rhinitis. Singulair is also indicated for prevention of exercise-induced narrowing of the airways. Singulair is available as oral tablets, oral granules, or chewable tablets. Side effects of Singulair can include skin rash, mood changes, tremors, and sinus symptoms.
Singulair may interact with phenobarbital or rifampin. There have been no well-controlled studies of Singulair in pregnancy. Studies in rats have shown that montelukast is excreted in milk, but it is not known if montelukast is excreted in human milk.
Our Singulair Drug Center provides a comprehensive view of available drug information as well as related drugs, user reviews, supplements and disease and conditions.
What is Prescribing information?
The FDA package insert formatted in easy-to-find categories for health professionals and clinicians.
SINGULAIR® is indicated for the prophylaxis and chronic treatment of asthma in adults and pediatric patients 12 months of age and older.
SINGULAIR is indicated for prevention of exercise-induced bronchoconstriction (EIB) in patients 6 years of age and older.
SINGULAIR is indicated for the relief of symptoms of seasonal allergic rhinitis in patients 2 years of age and older and perennial allergic rhinitis in patients 6 months of age and older.
Read the complete drug monograph for Singulair »
Drug Description - Indications & Dosage - Side Effects & Drug Interactions - Warnings & Precautions - Contraindications - Medication Guide and More
What is Patient information?
Easy-to-read and understand detailed drug information and pill images for the patient or caregiver from Cerner Multum.
Get emergency medical help if you have any of these signs of an allergic reaction: hives; difficulty breathing; swelling of your face, lips, tongue, or throat.
Call your doctor at once if you have any of these serious side effects:
Less serious sid...
Read the complete patient information for Singulair »
Possible Side Effects - Images - What Is - How Should I Take It - What If I Miss a Dose - What Should I Avoid and More
What is Consumer information?
A concise overview of the drug for the patient or caregiver from First DataBank.
This medication does not work immediately and should not be used to treat sudden asthma attacks or other breathing problems.
This dru...
Read the complete consumer information for Singulair »
Warnings - Uses - How to Use - Side Effects - Precautions - Drug Interactions and More
Report Problems to the Food and Drug Administration
You are encouraged to report negative side effects of prescription drugs to the FDA. Visit the FDA MedWatch website or call 1-800-FDA-1088.
Improve treatments & prevent attacks.