Diferencia entre revisiones de «Phentolamine»

(Text replacement - "prn" to "PRN")
(Text replacement - "Alpha" to "α")
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==Administration==
==Administration==
*Type: [[Alpha 1 Blocker]]; Antidote, Extravasation; [[Antihypertensive]]
*Type: [[α 1 Blocker]]; Antidote, Extravasation; [[Antihypertensive]]
*Routes of Administration: IV, IM
*Routes of Administration: IV, IM
*Common Trade Names: OraVerse
*Common Trade Names: OraVerse
Línea 59: Línea 59:


==Mechanism of Action==
==Mechanism of Action==
*[[Alpha antagonist]]
*[[α antagonist]]


==References==
==References==
<Epocrates, UpToDate>
<Epocrates, UpToDate>
[[Category:Pharmacology]]
[[Category:Pharmacology]]

Revisión del 01:13 24 jul 2017

Administration

Adult Dosing

  • Pheochromocytomectomy adjunct: 5mg IM/IV q2-4h PRN
    • Start: 1-2h preop
  • Extravasation (norepinephrine-associated): 5-10mg injected into affected area x1
    • Start: within 12h of extravasation

Pediatric Dosing

  • Pheochromocytomectomy adjunct: 1mg IM/IV q2-4h PRN
    • Start: 1-2h preop

Special Populations

Renal Dosing

  • No dosing adjustments

Hepatic Dosing

  • No dosing adjustments

Contraindications

  • Hypersensitivity to phentolamine or components
  • MI
  • CAD
  • Angina
  • Caution if PUD

Adverse Reactions

Serious

Common

Pharmacology

  • Half-life: 19 minutes
  • Metabolism: Urine
  • Excretion: CYP450

Mechanism of Action

References

<Epocrates, UpToDate>