Clinical manifestation The typical onset of asthma is accompanied by sneezing, nasal secretion, coughing and out of breath If timely treatment is not given, the bronchial narrowing might get worse and cause dsypnea. In severe cases, the patient is obliged to take the sitting position which is refered to as othopnea, coughing with or without large amount of whitish foamy sputum or even with cyanosisClinical manifestation The typical onset of asthma is accompanied by sneezing, nasal secretion, coughing and out of breath. If timely treatment is not given, the bronchial narrowing might get worse and cause dsypnea. In severe cases, the patient is obliged to take the sitting position which is refered to as othopnea, coughing with or without large amount of whitish foamy sputum, or even with cyanosis