(Science: pharmacology) a medication that acts to dilate (enlarge) the lumen of the airway to allow the unrestricted passage of air. These medications are commonly given to those with asthma who manifest wheezing.
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... as antiinflammatory agent for chronic treatment and adrenergic receptor agonists (albuterol etc) for acute treatment; these are used as BRONCHOdilators. Nitroglycerin is used as VASOdilator in episodic anginal chest pain and this is in tablet or spray form. Of course there is no risk ...
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