Its expectorant action is caused by irritative action on the bronchial mucosa.
From the en.wikipedia.org
Although, not all men with enlarged prostates have obstructive and irritative symptoms.
From the abcnews.go.com
As a prostate enlarges, men generally begin to develop obstructive and irritative symptoms.
From the abcnews.go.com
The study included children aged 4 through 17 who sought care of a pediatric urologist for irritative bladder storage symptoms including urinary urgency, increased urinary frequency and incontinence.
From the sciencedaily.com
More examples
Irritating: (used of physical stimuli) serving to stimulate or excite; "an irritative agent"