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A bronchodilator or broncholytic [1] (although the latter occasionally includes secretory inhibition as well) is a substance that dilates the bronchi and bronchioles, decreasing resistance in the respiratory airway and increasing airflow to the lungs.
Pharmacologically, bronchodilatation is achieved via bronchodilators. [1] [2] References
Clenbuterol is approved for use in some countries as a bronchodilator for asthma. [medical citation needed]Clenbuterol is a β 2 agonist with some structural and pharmacological similarities to epinephrine and salbutamol, but its effects are more potent and longer-lasting as a stimulant and thermogenic drug.
Proper use of a spacer can make an inhaler more effective in delivering medicine. [9] Spacers can be especially helpful to adults and children who find a regular metered dose inhaler hard to use. People who use corticosteroid inhalers should use a spacer to prevent getting the medicine in their mouth, where oral yeast infections and dysphonia ...
Terbutaline is used as a fast-acting bronchodilator (often used as a short-term asthma treatment) and as a tocolytic [6] to delay premature labor.. As an asthma treatment, the inhaled form of terbutaline, starts working within 15 minutes and can last up to 6 hours.
Other causes can include acid reflux, asthma, allergies, or other chronic medical conditions, adds Richard Watkins, M.D., an infectious disease physician and professor of medicine at the Northeast ...
Aminophylline is a compound of the bronchodilator theophylline with ethylenediamine in 2:1 ratio. The ethylenediamine improves solubility, and the aminophylline is usually found as a dihydrate. [2] Aminophylline is less potent and shorter-acting than theophylline. Its most common use is in the treatment of airway obstruction from asthma or COPD.
A bronchial challenge test is a medical test used to assist in the diagnosis of asthma. [1] The patient breathes in nebulized methacholine or histamine. Thus the test may also be called a methacholine challenge test or histamine challenge test respectively. Both drugs provoke bronchoconstriction, or narrowing of the airways.
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