Alter smooth muscle tone, Reduce airway obstruction, Increase oxygen distribution - are the bronchodilator actions that relieve bronchospasm.
Bronchodilators are a type of drug that makes breathing easier by relaxing the muscles in the lungs and widening the airways (bronchial tubes).
These are commonly used to treat long-term conditions that can narrow and inflame the airways. Examples:
A bronchodilator is one of the following:
Bronchospasm occurs when: The muscles lining the bronchi (airways in the lungs) become tense. This causes wheezing, coughing, and other symptoms. Many things, including asthma, can cause bronchospasm and are usually treated with bronchodilators.
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