When you have asthma, your body overreacts to certain substances or situations and produces inflammation in your lungs and airways. The inflammation causes the symptoms of asthma, such as coughing, wheezing, chest tightness, and difficulty breathing.
The things that your body is extra sensitive to are called "triggers." There are many different types of triggers for asthma and allergies, which is a closely-related health condition. Triggers can be different for each person, but in general,...

