Coughing during the day and not coughing at bedtime is considered to be related to external stimuli, allergic cough, infectious cough, and digestive disorders.
1. External stimuli: winter weather is cold, long-term in a cold environment, the stimulation of cold air may cause cough. Smoking and eating spicy and irritating foods during the day are also major causes of cough. At night, the room is warmer and lacks the stimulation of smoking and eating, so you don’t cough at night.
2. Allergic cough: The person himself belongs to the allergic body, during the day by the external environment, such as smoke, dust, harmful gas stimulation, can cause allergic cough. At night, they are free from allergens and return to indoor, so they do not cough.
3. Infectious cough: respiratory diseases, such as chronic pharyngitis, bronchitis, pneumonia, increased secretions in the airway during the day, can cause a significant cough. At night when you sleep, if the secretion decreases, the cough symptoms will be relieved.
4. Digestive system diseases: Diseases of the digestive system, such as gastrointestinal dysfunction leading to increased gastric pressure and gastroesophageal reflux, cause irritation to the pharynx, which may lead to coughing. At night the external emptiness and pressure is reduced, so there is no cough at night.
Coughing during the day and not coughing at bedtime may be caused by other diseases. It is recommended to go to the hospital for examination and give medication with the doctor’s advice.