Fenoldopam: Difference between revisions
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== Fenoldopam == | |||
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Latest revision as of 21:52, 16 March 2025
Fenoldopam is a drug that is primarily used as a vasodilator. It is a selective peripheral dopamine receptor agonist which causes dilation of blood vessels leading to a decrease in blood pressure. Fenoldopam is used to treat severe hypertension (high blood pressure) and to improve urine flow in people with kidney dysfunction.
Mechanism of Action[edit]
Fenoldopam works by binding to dopamine D1 receptors, leading to a relaxation and dilation of blood vessels. This action results in a decrease in systemic vascular resistance, which reduces blood pressure. Fenoldopam also increases renal blood flow and promotes natriuresis (the excretion of sodium in the urine), which can help in cases of acute renal failure.
Uses[edit]
Fenoldopam is used in the management of severe hypertension when rapid, but controlled, lowering of blood pressure is required. It is also used in the treatment of acute renal failure and to improve urine flow in people with kidney dysfunction.
Side Effects[edit]
Common side effects of fenoldopam include headache, flushing, nausea, and hypotension. In some cases, it may also cause an increase in heart rate.
Contraindications[edit]
Fenoldopam should not be used in patients with known hypersensitivity to the drug. It should also be used with caution in patients with glaucoma, as it may increase intraocular pressure.
Dosage and Administration[edit]
Fenoldopam is administered intravenously. The dosage is adjusted according to the patient's response and tolerance to the drug.
