Dry Cough Causes and Their Treatments
3. Allergies and Asthma
Allergies and asthma are common causes of a dry cough. In this case, the cough is often seasonal and depends on what allergens are in the air. It is likely to develop alongside other allergy symptoms, such as sneezing and itchy eyes, nose, and ears. A dry cough from allergies happens because the airways swell in response to the allergen. In the case of someone who also has asthma, an allergen may cause wheezing and tightness in the chest.
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