Vasomotor rhinitis is a cause of runny nose and congestion not related to allergies or an infection. Learn about the symptoms ...

If your allergies leave you feeling lightheaded or cause chest pain, alert your doctor immediately, Nagarajan said. It could ...

Asthma is caused by a combination of factors. People who develop asthma may have a genetic predisposition and react to ...

Bronchial spasm is a condition that occurs when the muscles that line the airways in your lungs tighten Identifying the ...

It turns out the time of day -- or year -- an asthma test takes place can affect its accuracy, a new study says. #asthma ...