Is phenylephrine a vasodilator?
Is phenylephrine a vasodilator? Phenylephrine is an alpha-1 adrenergic receptor agonist indicated for the treatment of clinically important hypotension resulting primarily from vasodilation in the setting of anesthesia. Phenylephrine is available under the following different brand names: Vazculep. Does phenylephrine raise heart rate? Oral phenylephrine has a minimal direct effect on heart rate or cardiac output but, as a vasoconstrictor, can increase systolic and diastolic blood pressure at high doses, and thus cause reflex bradycardia. Is phenylephrine related to epinephrine? Phenylephrine is a sympathomimetic drug, which means that it mimics the actions of epinephrine (commonly known as adrenaline) or norepinephrine....