How does old have phlegm to do in throat

The throat always has phlegm, usually caused by respiratory diseases, such as cold, influenza, bronchitis, pneumonia, etc. Patients had better do blood routine, C-reactive protein, chest X-ray and other tests in time to determine the cause, while following the doctor's advice to use ambroxol and other cough and phlegm drugs to relieve symptoms, if necessary, can also be aerosolized treatment. Drink plenty of water, eat more fresh vegetables and fruits.