bronchodilator

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bronchodilator

[¦bräŋ·kō′dī‚lād·ər]
(medicine)
An instrument used to increase the caliber of the pulmonary air passages.
(pharmacology)
Any agent that causes a widening of the air passages in bronchi and bronchioles.
References in periodicals archive ?
Ipratropium bromide is prescribed for as-needed use for symptom relief in COPD and can also be used 4 - 6-hourly as a maintenance bronchodilator agent.
Speaking of corticosteroids and combination products you may have noticed a large black box warning on the labels of long acting bronchodilators and combination products that include long acting bronchodilator agents.
Stockley reported that two of these bronchodilator agents -- theophylline and terbutaline -- appeared to boost the activity of many white blood cells called neutrophils in a test-tube experiment.