Asthma is chronic inflammation of the airways resulting from swelling and excessive mucus. The airways may be further blocked when an irritant, or trigger, causes spasms of the bronchial passage. This can cause coughing, wheezing, and difficulty breathing.
Signs and Symptoms of Asthma
- Shortness of breath, difficulty breathing, or wheezing
- Chest tightness or constriction
- Cough (can be the only [...]