Cough provocation with capsaicin is an objective way to test sensory hyperreactivity in patients with asthma‐like symptoms

Abstract

A drug that inhibits transmission in sensory nerves successfully blocked the number of coughs and other symptoms provoked by inhalation of capsaicin. This indicates that the mechanisms underlying chemical sensitivity in these patients may originate in the sensory nervous system, and we call this condition "sensory hyperreactivity".