Thyroidectomy old phlegm cough is considered to have no direct relationship with the operation, may be chronic bronchitis, pneumonia, chronic obstructive pulmonary disease and other conditions.
1. Chronic bronchitis: the cause of the disease is still unclear, mostly considered to be related to infection, smoking, air pollution, occupational dust and other factors. The disease starts slowly and has a long course, lasting for 3 months or more. Patients often have symptoms such as coughing, coughing up sputum, and some patients may also be accompanied by shortness of breath, wheezing and other phenomena.
2. Pneumonia: usually caused by pathogens invading the lung parenchyma, and also related to age, smoking, impaired immune function, air turbidity and other factors. Generally, staphylococcal infection, Klebsiella pneumoniae or viral infection patients often appear coughing, coughing up sputum, some patients may also be accompanied by purulent sputum or bloody sputum, but also accompanied by dyspnea, shortness of breath and other phenomena.
3. Chronic Obstructive Pulmonary Disease (COPD): The cause of the disease is not clear, mostly related to genetic, lung growth and development, smoking, dye smoke and other factors. Patients often have symptoms of chronic cough, sputum, and may also have shortness of breath, dyspnea and other phenomena. Some patients may also experience wheezing and chest tightness.
It is recommended that thyroidectomized patients with symptoms of phlegm and cough should seek medical attention to identify the cause of the cough and take appropriate treatment under the guidance of the doctor.