Coughing at 5 am may be a manifestation of lung heat or lung cold.
The difference between lung heat and lung cold lies in the different evils felt. Lung heat is caused by wind-heat evils, which can lead to symptoms such as heavy fever, light chills (fear of cold), coughing up yellow sputum, sore throat, dry mouth, thin yellow tongue coating, and floating pulse. Lung cold, on the other hand, is caused by wind-cold, and patients may experience symptoms such as heavy cold, light fever, coughing up white sputum, stiff neck, thin white tongue coating, and floating tight pulse.
Coughing at 5:00 am is not a point of distinction between lung heat and lung cold, so it is not specific, and may belong to lung heat or lung cold. The patient should go to the hospital in time, according to other symptoms, after clarifying the specific type of evidence, under the guidance of the doctor for treatment.