Bronchitis Symptoms and Signs

Another sign is a phlegm. The sputum may be intensively segregating just to stimulate a hacking cough. Expectoration starts to form within 24-48 hours from the beginning of a cough. The phlegm may be of different colors; the red blood color defines the most serious cases. The progressive assaults require fast aid. A dry cough, however, may prevent patients from having a sleep.