Beta-adrenergic agonist
Beta-adrenergic agonist
Beta-adrenergic agonists (pronunciation: /ˈbiːtə ædˈriːnədʒɪk ˈæɡənɪst/), also known as beta agonists, are a class of drugs that primarily stimulate beta-adrenergic receptors in various tissues and organs.
Etymology
The term "beta-adrenergic agonist" is derived from the Greek words "β" (beta), "adrenos" (adrenal gland), and "agonistes" (combatant). The "beta" refers to the type of receptor the drug targets, "adrenergic" refers to the adrenaline-like effects of the drug, and "agonist" refers to a substance that initiates a physiological response when combined with a receptor.
Mechanism of Action
Beta-adrenergic agonists work by binding to beta-adrenergic receptors on the cells of the heart, lungs, and other organs. This binding triggers a series of reactions that result in the relaxation of smooth muscle, increased heart rate, and other effects.
Types
There are several types of beta-adrenergic agonists, including short-acting beta agonists (SABAs), long-acting beta agonists (LABAs), and ultra-long-acting beta agonists (ULABAs). These classifications are based on the duration of the drug's effects.
Uses
Beta-adrenergic agonists are used in the treatment of various conditions, including asthma, chronic obstructive pulmonary disease (COPD), and certain heart conditions. They can also be used to delay premature labor in pregnant women.
Side Effects
Common side effects of beta-adrenergic agonists include increased heart rate, palpitations, anxiety, and tremors. More serious side effects can include heart rhythm abnormalities and severe allergic reactions.
Related Terms
External links
- Medical encyclopedia article on Beta-adrenergic agonist
- Wikipedia's article - Beta-adrenergic agonist
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