Asthma triggers are often harmless to most people, but certain substances, weather conditions or even other diseases, like the flu, can make life difficult for a child with asthma. Because children with asthma have sensitive airways, the flu can cause further inflammation and bring on an asthma attack. Listen in as Jen Jen Chen, MD explains that with already weakened lungs and airways, the flu can even lead to more serious conditions like pneumonia and other respiratory infections.