Congestion

Asthma: Asthma is characterized by recurrent episodes of wheezing, shortness of breath, chest tightness and coughing. Sputum may be produced from the lung by coughing but is often hard to bring up. During recovery from an attack it may appear pus like due to high levels of whilte blood cells called eosinophils. Symptoms are usually worse at night and in the early morning or in response to exercise or cold air. Some people with asthma…