Fenoldopam
Fenoldopam
Fenoldopam (/fɛˈnɒldəpæm/) is a drug that is primarily used as an antihypertensive. It belongs to the class of drugs known as vasodilators, which work by relaxing the blood vessels and allowing blood to flow more easily.
Etymology
The term "Fenoldopam" is derived from its chemical structure, which includes a phenyl ring and a dopamine moiety. The prefix "Fen-" is derived from "phenyl", and "-oldopam" is derived from "dopamine".
Usage
Fenoldopam is used to treat hypertension (high blood pressure). It is often used in a hospital setting to quickly reduce blood pressure in patients with severe hypertension or in hypertensive emergencies. It can also be used to improve kidney function in certain patients.
Mechanism of Action
Fenoldopam works by stimulating dopamine receptors in the body, specifically the D1 receptors. This causes the blood vessels to relax and widen, which in turn lowers blood pressure.
Related Terms
- Antihypertensive: A type of medication used to treat high blood pressure.
- Vasodilator: A drug that relaxes and widens blood vessels, improving blood flow.
- Hypertension: A condition characterized by consistently high blood pressure.
- Dopamine: A type of neurotransmitter, a chemical messenger that transmits signals in the brain and other areas of the body.
Side Effects
Like all medications, Fenoldopam can cause side effects. Common side effects include headache, flushing, and nausea. More serious side effects can include rapid heart rate, low blood pressure, and allergic reactions.
External links
- Medical encyclopedia article on Fenoldopam
- Wikipedia's article - Fenoldopam
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