adrenergic agent的意思|示意

'

Adrenergic Agent：

Adrenergic agents are drugs that act on the adrenergic receptors of the sympathetic nervous system. They are often used to treat a variety of conditions such as hypertension, asthma, and heart failure.

Adrenergic agents can be divided into two main categories: agonists and antagonists. Agonists are drugs which stimulate the sympathetic nervous system, causing an increase in heart rate, blood pressure, and respiratory rate. Examples of agonists include epinephrine, norepinephrine, and dopamine. Antagonists are drugs which block the action of the sympathetic nervous system, resulting in a decrease in heart rate, blood pressure, and respiratory rate. Examples of antagonists include beta blockers and alpha blockers.

Adrenergic agents are most commonly used to treat hypertension, or high blood pressure. Beta blockers can be used to reduce blood pressure by blocking the action of the sympathetic nervous system. Alpha blockers can also be used to lower blood pressure by relaxing the muscles around the blood vessels, allowing them to dilate and reduce the pressure in the vessels.

Adrenergic agents have many other therapeutic uses including the treatment of asthma, heart failure, and arrhythmias. They can also be used to treat seizures and muscular weakness.

Adrenergic agents can have serious side effects, so caution should be used before starting a course of treatment. It is important to discuss with a doctor any potential side effects and any other medications that may interact with an adrenergic agent.