Adrenergic blocking agent
Adrenergic Blocking Agent
Adrenergic blocking agents (pronunciation: ad-ren-er-jik blok-ing ey-jents), also known as adrenergic antagonists or alpha/beta blockers, are a class of medications that inhibit the action of adrenergic receptors in the body.
Etymology
The term "adrenergic" is derived from the Greek words "adrenes" meaning 'near the kidney' and "ergon" meaning 'work'. This refers to the adrenal glands, which produce adrenaline. "Blocking agent" refers to the function of these drugs, which is to block the action of adrenaline and similar substances.
Function
Adrenergic blocking agents work by blocking the action of adrenaline and noradrenaline, hormones that stimulate the sympathetic nervous system. This results in various physiological effects, depending on the type of adrenergic receptor being blocked.
Types
There are two main types of adrenergic blocking agents: alpha blockers and beta blockers. Alpha blockers inhibit the action of adrenaline and noradrenaline on alpha adrenergic receptors, while beta blockers inhibit their action on beta adrenergic receptors.
Uses
Adrenergic blocking agents are used in the treatment of various medical conditions, including hypertension, angina, arrhythmia, glaucoma, and prostate enlargement.
Side Effects
Potential side effects of adrenergic blocking agents include dizziness, fatigue, headache, nausea, and sexual dysfunction.
Related Terms
External links
- Medical encyclopedia article on Adrenergic blocking agent
- Wikipedia's article - Adrenergic blocking agent
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