What conditions should chronic bronchitis be differentiated from?

Chronic bronchitis is one of the respiratory system diseases. Its main symptoms are cough, sputum production and wheezing, and if the condition regularly persists for about 3 months each year for more than 2 consecutive years, one should suspect chronic bronchitis. But one should not be confined to this limitation; it needs to be distinguished from pulmonary tuberculosis, lung abscess, bronchiectasis, chronic rhinitis, bronchiectasis, and even from pneumoconiosis, heart disease, cardiac insufficiency, esophageal reflux syndrome, and so on.

Chronic bronchitis and the common cold

Because it is not a primary disease, chronic bronchitis naturally develops along a certain pathway; only senile chronic bronchitis behaves like a primary disease. Chronic bronchitis in young people generally has an underlying cause, such as acute bronchitis, pharyngitis, the common cold, a history of heavy smoking and drinking, and so on. At the outset, symptoms mostly occur persistently and repeatedly during cold seasons. Whenever symptoms such as cough and sputum production are present, it indicates that inflammation exists.

Once it becomes chronic bronchitis, the timing of flare-ups is not fixed; especially in the later severe stage, symptoms may be present in all four seasons, while in cold climates the symptoms worsen and become more varied, with coughing day and night, especially worse in the morning and evening. Once the onset characteristics and patterns of chronic bronchitis are understood, it becomes easy to distinguish it from pulmonary tuberculosis, lung abscess, bronchiectasis, chronic rhinitis, bronchiectasis, and so on.

Chronic bronchitis and pharyngitis

Regarding sputum production, chronic bronchitis produces white mucous frothy sputum, with a relatively larger amount around the time of getting up in the morning, and it may be viscous and difficult to cough up. When the sputum volume is large, it may also increase after exposure to cold, with increased viscosity, or yellow purulent sputum may appear, along with wheezing or blood-streaked sputum. After inflammation occurs, the bronchial mucosa becomes congested and edematous, and combined with sputum blocking the bronchi, narrowing occurs and wheezing develops.