Causes of Dry Cough, Home Remedies for Acute Morning Coughing

Effects of overbreathing on brain oxygen levels Chronic (persistent) dry cough is a respiratory symptom of chronic hyperventilation and low body O2. Commonly causes of dry cough include health problems such as with asthma, bronchitis, COPD, cystic fibrosis, numerous lung conditions and during respiratory infections. It often gets worse during sleep or at night, in the morning, on exertion, and after meals. Morning acute cough and headaches are common due to lowest body O2 levels and heavy breathing during last hours of sleep (which also have highest mortality rates).

During normal breathing at rest the air travels though the nasal cavities slowly or at a speed of 8 km/h. When we cough through the mouth, the air rushes out through the airways or mouth at 120-160 km/h. Yougn woman acute morning coughing This causes mechanical stress (irritation) and sudden CO2 losses with the following effects of acute alveolar hypocapnia (low CO2 levels in airways): bronchospasm (constriction of airways); irritable state of the cough receptors; and greatly increased mechanical friction in airways due to strong air flow. There are brain effects too: reduced blood flow and lower oxygenation often leading to headaches. Later, due to reset of the breathing center, overbreathing and irritation of airways become chronic.

Mechanism of dry cough caused by hyperventilation

Chronic productive cough causes

Low body O2 suppresses the immune system increasing chances of chronic respiratory infections. Appearance of infections is manifetsed in chronic productive cough caused by these infections. Chronic productive coughing often means yellow or green mucus (i.e., with dead germs).

The hidden real cause of dry, morning, productive, and chronic coughing

Hundreds of scientific publications have proven that hyperventilation causes reduced body-oxygen content due to alveolar hypocapnia (low CO2 levels in the lungs). Furthermore, decades of medical research have proven that low CO2 over-excites nerve cells making them irritable. This effect (over-excitement of nerve cells) also takes place with the nerve cells that control the urge-to-cough reflex that usually appears due to some additional irritation (or trigger) in the chest or upper airways.

Alveoli in the lungsBouts of coughing cause (see references below):
- irritable state of cough receptors in the tracheobronchial tree and larynx due to hypocapnia (low CO2 in these nerve cells)
- constriction of airways due to hypocapnia (since CO2 is a bronchodilator)
- chronic respiratory infections and inflammation due to suppression of the immune system caused by cell hypoxia and other effects caused by hyperventilation.

Coughing through the mouth creates a huge air pressure graduate that can easily damage or even rupture alveoli, our tiny air sacks, which make gas exchange in the lungs possible. Coughing is particularly dangerous for people with bronchitis or emphysema. Hence, due to purely mechanical effects, coughing causes:
1) damage and rupture of tiny and fragile air sacks (alveoli) due to very large pressure gradient and sudden change in air pressure in the tissues of the lungs (lungs tissue is very weak and is easily damaged due to mechanical over stimulation caused by coughing)
2) mechanical irritation of the constricted and inflamed airways due to large movements of air and excessive friction due to sudden changes in pressure.

Hence, the more you cough (especially through the mouth), the more CO2 you remove, and the worse your symptoms become.

Natural Home Remedies for Dry, Acute, and Chronic Cough

Over 180 Russian medical doctors (practicing the Buteyko breathing method) developed simple breathing techniques to reduce dry, chronic and mourning coughing and eventually eliminate or get rid of all types of coughing symptoms, including dry persistent cough and acute morning episodes.

These doctors also discovered that this symptom usually disappears when the patients slow down their automatic breathing and get over 20 s for the body-oxygen test.

Related page:
-Stop Coughing At Night - Another breathing technique and exercise to get rid of chronic or persistent coughing at night, reduce or eliminate headaches, and fall asleep faster.

Cough Treatment (References)

For smart medical studies related to cough, follow this link.

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