The most common causes of a dry cough at night and during the day are exposure to irritants, choking on food and excessive use of the voice.
1. Exposure to irritants: The range of activities during the day is larger than at night, and the chances of being exposed to irritants such as formaldehyde and dust are higher, so the phenomenon of no cough at night and a dry cough during the day may occur.
2. Choking on food: If you eat too fast or talk all the time during the day, you may choke on food, which can lead to a dry cough.
3. Excessive use of the voice: Especially for people who need to use their voices, such as teachers, singers, comedians, etc., excessive use of the voice during the daytime, stimulating spasm of the throat, which can also lead to a dry cough, but after resting in the evening, the cough will not be.
There are many other causes of cough such as eosinophilic granulomatous bronchitis, gastroesophageal reflux stimulation of cough, nasal secretion reflux stimulation of cough, but also pay attention to exclude chronic bronchitis, bronchial dilatation of sputum flow after the change of position will stimulate the mucosa caused by cough. It is recommended that patients consult a regular hospital in a timely manner, and cooperate with the doctor to improve the examination and standardize the treatment.