What does asthma feel like? Can sex trigger asthma? Why doesn't my asthma inhaler work? Get answers to common asthma questions.

Asthma is a condition that happens when your airways become narrow and swollen and produce excess mucus. This can make it hard for you to breathe and may cause coughing, wheezing, and shortness of ...

I was diagnosed with asthma in childhood. It started off as just having more trouble keeping up with the kids in class, coughing a lot after exercise, but it continued to get worse to the point of ...

Bassett, MD, medical director of Allergy & Asthma Care of New York. Bassett helped WebMD sniff out the truth about fragrance allergies. What are some of the most common sources of fragrance allergies?

Know the difference between dander and dust mites or histamines and hay fever? Take this WebMD quiz to test your childhood allergies knowledge. What are skin allergies? How do they happen?

They have different active ingredients, uses, and side effects: Many healthcare providers have concerns about whether it is ...

Chronic coughing and wheezing may be warning signs of lung disease. WebMD's slideshow covers the symptoms and treatments for chronic obstructive pulmonary disease (COPD).

was issued by the FDA in March 2020 about the mental health side effects of Singulair, also known by its generic name, montelukast — a 25-year-old asthma and allergy drug. Boxed warnings are the ...