Phentolamine Mesylate

Phentolamine Mesylate

It is a short acting α blockers. By blocking α1 receptors it produces vasodilation. Primary use of Phentolamine is in hypertensive emergencies. Inhibition of α2 receptors can increase sympathetic tone.


Pheochromocytoma, extravasation of non adrenaline or dopamine causing hypertensive episode

Side Effects: 

Hypotension, Diziness, tachycardia, nausea, vomiting, diarrhea, nasal cogestation, chest pain, arrhythmias

Dosage forms:

Phentolmine mesylate 10 mg injections

Combinations of Phentolmine:

Brand Names:

  • Fentanor (Samarth Pharma Pvt. Ltd.) 
  • Fentosol (Shree Ganesh Pharmaceuticals) 
  • Phentosol (Shree Ganesh Rubber & Chemicals Co)
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