Drug details

OraVerse (phentolamine mesylate injection)

type of Alpha Blockers, Antihypertensives

OraVerse (phentolamine mesylate) Injection is an alpha adrenergic blocker used to reverse soft-tissue anesthesia, i.e., anesthesia of the lip and tongue, and the associated functional deficits resulting from an intraoral submucosal injection of a local anesthetic containing a vasoconstrictor.

This drug may have the following side effects:
  • hives,
  • difficulty breathing,
  • swelling of your face, lips, tongue, or throat,
  • nausea,
  • vomiting,
  • fever,
  • lightheadedness,
  • confusion,
  • dizziness,
  • severe headache,
  • fatigue,
  • chest pain or pressure,
  • anxiety,
  • neck stiffness,
  • sudden numbness or weakness on one side of the body,
  • Lack of coordination
  • disorientation,
  • pain in the neck, back or arm,
  • irregular heartbeat, 
  • mild confusion,
  • abnormal or slurred speech,
  • difficulty understanding,
  • memory loss,
  • loss of balance, and