Dibenzyline

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(a.k.a. phenoxybenzamine) – an alpha receptor blocking drug

  1. Major use is in the management of pheochromocytoma; when pheochromocytoma is suspected this drug may be given to see if there is a decrease in blood pressure, reduction in heart rate, decrease in arrhythmia, and sweating
  2. Used in the chronic management and preoperative management of patients with pheochromocytoma
  3. Used in the treatment of overactive internal sphincter of the bladder
    1. alpha antagonists – phenoxybenzamine (noncompetitive – Remember: you can’t compete with a Benz) and phentolamine (competitive)
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