Cold throat always have phlegm, usually due to viral infection of the upper respiratory tract. In this case, you need to go to the hospital as soon as possible, under the guidance of the doctor, to identify the cause of the disease, to address the cause of the disease, to carry out systematic and standardized treatment.
The common infectious viruses are rhinovirus, parainfluenza virus and other types of viruses. The clinical manifestations of the infection mainly include nasal congestion and runny nose. If the viral infection is not treated in time, when the infection of the lower respiratory tract, there will be an increase in phlegm, resulting in constant phlegm in the throat.
In addition, the patient’s own chronic bronchitis and other diseases, will also aggravate the symptoms of the throat always have phlegm, it is recommended that the emergence of obvious discomfort in a timely manner to seek medical attention, comply with the doctor’s instructions for medication, so as not to delay the condition.