What causes dry cough without phlegm? Beware of 12 factors

Dry cough is a common clinical symptom. There are many causes of dry cough. Many people want to know what causes dry cough without sputum. Generally, there are many reasons for the symptoms of dry cough without sputum. In addition to disease or some bacterial infections, the environment is also a factor.

1. Atopic constitution, genetic genes that make you susceptible to allergic cough; tendency to produce high IgE; adverse factors such as diet and environment during pregnancy; gender; race; birth weight <2.5kg, etc. can all induce dry cough.

2. Inhaled allergens, such as pollen, indoor dust, dust mites, mold, animal fur, cockroaches, feathers, and food, irritate the respiratory tract and induce dry cough.

3. Respiratory tract infection, virus; bacteria. Indoor air pollution and harmful gases

4. Indoor air pollution and harmful gases, including chemical gases with paint, benzene smell, formaldehyde and other decorative materials; containing DDV, various chemical pesticides; smoke including cigarette smoke, smoke, soot and mosquito coil smoke.

5. Occupational factors: animal protein; plant protein; inorganic compounds; including metal salts; drug factors; organic compounds mainly include diisocyanates and acid anhydrides.

6. Drug factors: aspirin; allergy-prone drugs; β-adrenergic receptor blockers.

7. Harmful gases, in addition to the above, also include cold and dry air.

8. Occupational factors, such as construction sites and other places, can easily induce dry cough. Indoor air pollution; industrial waste gas and smoke, such as sulfur dioxide, etc.

9. Food factors: allergenic foods; overly salty or overly sweet foods; food additives; irritating diets such as drinking and spicy foods; and children’s feeding methods.

10. Exercising or hyperventilating, strenuous exercise, laughing or excessive crying in children.

11. Changes in climate, air pressure; seasons; temperature; humidity.

12. Geographical factors, such as relocation, business trip, etc. It's what's called acclimatization.