Purulent

Sputum: As the cough worsens, the sputum will gradually thicken and become sticky purulent sputum. The appearance of the sputum will usually be pale yellow, mostly caused by bronchitis, bronchial pneumonia or mixed infection of the lungs, and tuberculosis. Acute and chronic pharyngitis or purulent tonsillitis. If the condition gets worse, yellow purulent sputum will appear, mostly yellow-green sticky lumps or opaque pus. At this time, lung abscess, chronic bronchitis, bronchiectasis, cavitary tuberculosis and severe infection will be suspected. Illness.