Last reviewed · How we verify

Phenylephrine bolus 50 micrograms

Rawalpindi Medical College · FDA-approved active Small molecule

Phenylephrine is an alpha-1 adrenergic agonist that causes vasoconstriction and increases blood pressure by stimulating alpha-1 receptors on vascular smooth muscle.

Phenylephrine is an alpha-1 adrenergic agonist that causes vasoconstriction and increases blood pressure by stimulating alpha-1 receptors on vascular smooth muscle. Used for Acute hypotension requiring rapid blood pressure support, Perioperative hypotension management.

At a glance

Generic namePhenylephrine bolus 50 micrograms
SponsorRawalpindi Medical College
Drug classAlpha-1 adrenergic agonist
TargetAlpha-1 adrenergic receptor
ModalitySmall molecule
Therapeutic areaCardiovascular
PhaseFDA-approved

Mechanism of action

Phenylephrine selectively binds to alpha-1 adrenergic receptors on blood vessels, triggering smooth muscle contraction and peripheral vasoconstriction. This results in increased systemic vascular resistance and elevated blood pressure. The 50 microgram bolus formulation is used for acute hemodynamic support in hypotensive states.

Approved indications

Common side effects

Competitive intelligence

For the full competitive landscape — auto-detected comparators, recent regulatory actions across the set, upcoming PDUFA, patent timeline, sponsor landscape: