A chesty cough is a dry cough without sputum. In the first few days of a cold, such a cough is completely normal. But the dry cough can persist. A variety of causes can be hidden behind it. Among other things, allergies, inflammation of the sinuses, diseases of the bronchi or lungs, reflux of gastric acid, side effects of medication, heart disease and more.
But sometimes nothing is found at all. What is it then? It may be a functional disorder. More also in the respiratory disorders section.