Lying down without coughing and getting up with a dry cough, that is, the cough is somewhat related to the position. Common causes of this phenomenon include respiratory infections and space-occupying lesions in the lungs.
1. Respiratory tract infection: will lead to inflammatory secretions in the airways, when in the lying position, inflammatory secretions will be less stimulation of the airways, usually does not cause coughing, when you get up, due to the role of gravity, secretions can easily accumulate in the bronchial tubes as well as the lungs, so there will be dry cough symptoms.
2. Positional lesions in the lungs: In the lying state, the distance between the mass and the pleura is large, which stimulates less, and usually does not cause coughing, but after getting up, the distance between the mass and the pleura is closer, and it is easy to stimulate the pleura to appear dry cough symptoms.
When the phenomenon of dry cough when lying down without coughing up, there may also be other reasons, it is recommended to go to the hospital in time to diagnose, and symptomatic treatment.