Montelukast (Singulair) is a drug that relieves allergy symptoms and is also used to prevent asthma attacks. It reduces congestion in your nose and also cuts down on sneezing, itching, and eye allergies. For people with allergies and asthma, it helps keep airways to your lungs open.
It works by stopping the action of a chemical called leukotriene, which causes your nasal passages to swell and make a lot of mucus. The same chemical is also responsible for tightening airways when you have asthma, making it harder to breathe.
For a week, you've wiped your preschooler's runny nose all day long, then listened to her cough in her sleep all night. She's been looking and feeling miserable, and you want to help her get better, but you aren't sure exactly how to categorize her symptoms. Is it a cold, or does she have allergies?
You aren't alone; many parents are confused about the proper way to treat a coughing, sneezing child, because colds and allergies often have overlapping symptoms.
“I think most parents want a checklist,...