Cough receptor sensitivity to capsaicin does not change after allergen bronchoprovocation in allergic asthma

The relationship between cough receptor sensitivity and eosinophilic inflammation of the airway in patients with asthma remains unclear.Eighteen patients with asthma sensitised to house dust mite (HDM) were enrolled in a randomised parallel group study. Patients with asthma whose main symptom was cough were not enrolled in the study. Half the patients were randomly assigned to inhale saline and the other half to inhale HDM allergen. Cough...