Tiotropium Attenuates Refractory Cough and Capsaicin Cough Reflex Sensitivity in Patients with  Asthma

Conclusion Tiotropium may alleviate asthmatic cough refractory to ICS/LABA by modulating cough reflex sensitivity but not through bronchodilation.
Source: The Journal of Allergy and Clinical Immunology: In Practice - Category: Allergy & Immunology Source Type: research