A variety of health issues can cause respiratory issues and discomfort, including chronic obstructive pulmonary disease (COPD), emphysema, chronic bronchitis, lung cancer, tuberculosis, pneumonia, stress, asthma, and allergies. In fact, up to 90 percent of children and 60 percent of adults with asthma have underlying allergies that trigger their asthma.1,2
There are several allergens that could cause respiratory symptoms, including:
The same immune system reaction that causes other allergy symptoms—such as nasal congestion or inflammation, and a runny nose—can also affect the lungs and airways, which can lead to respiratory symptoms.