Bronchodilators

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Bronchodilators

Bronchodilators (/brɒŋkoʊdaɪˈleɪtər/) are a type of medication that makes breathing easier by relaxing the muscles in the lungs and widening the bronchi (airways). They are used to treat respiratory conditions such as asthma, chronic obstructive pulmonary disease (COPD), and emphysema.

Etymology

The term "bronchodilator" is derived from the words "bronchus," which is Latin for windpipe, and "dilator," which comes from the Latin "dilatare," meaning to enlarge or expand.

Types of Bronchodilators

There are three main types of bronchodilators: beta-2 agonists, anticholinergics, and theophylline.

  • Beta-2 agonists are the most commonly used bronchodilators and can be short-acting or long-acting. Short-acting beta-2 agonists, such as albuterol, provide quick relief of symptoms, while long-acting beta-2 agonists, such as salmeterol, are used for ongoing control of asthma and COPD.
  • Anticholinergics such as ipratropium and tiotropium work by blocking the action of acetylcholine, a chemical messenger that can cause the muscles in the airways to tighten and mucus to be produced.
  • Theophylline is a less commonly used bronchodilator that is usually taken as a tablet. It works by relaxing the muscles around the airways.

Side Effects

Like all medications, bronchodilators can have side effects. These can include tachycardia (rapid heart rate), tremors, and nervousness. It's important to discuss these potential side effects with a healthcare provider.

Related Terms

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