Phentolamine
Phentolamine
Phentolamine
Phentolamine is an alpha-adrenergic antagonist that relaxes the smooth muscle lining the corpora cavernosa. It is typically used with papaverine to treat ED. Clinical studies show that phentolamine in combination with papaverine dilate blood vessels entering the penis, with an erection occurring within 20 to 30 minutes.

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Find out where to buy Phentolamine injections.
Clinical Formula
C17H19N3O
FDA Designation
Approved
Other Names
OraVerse, Regitine
Category
For Use By
Delivery Method

Can I Buy Phentolamine?


Patients who qualify can purchase Phentolamine in the Bimix, Trimix, or Quadmix formulations for the treatment of Erectile Dysfunction.


Do We Offer Phentolamine as part of a treatment plan?
Yes
Success Rate
80-95% Success
Fast Acting
Works Within Minutes

How Does Phentolamine Work?

Phentolamine causes muscle relaxation and a widening of blood vessels

Phentolamine is an alpha-adrenoceptor antagonist, which means that it blocks chemicals that bind to alpha-adrenergic receptors. Competitively binding to their receptors, phentolamine causes muscle relaxation and a widening of blood vessels. When blood vessels are widened, blood pressure decreases, and blood flow into the penis increases. Phentolamine also blocks 5-HT receptors, which cause the release of histamine from mast cells.

Benefits of Phentolamine


Used in combination with other vasodilators to treat erectile dysfunction.
  • Used in combination with other vasodilators to treat erectile dysfunction.
  • 80-95% Success Rate with Papaverine

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Drug Details

Indications

What is Phentolamine used for?

  • Diagnosing a pheochromocytoma
  • Treat hypertensive crisis (extremely high blood pressure)
  • Treat ED (with papaverine)

Contraindications

When should you avoid Phentolamine?

  • Heart attack or a history of a heart attack
  • Angina
  • Known hypersensitivity or allergy to phentolamine
Phentolamine Side Effects

What are the side effects of Phentolamine?

Potential side effects to using phentolamine include:
Common Phentolamine Side Effects
  • Bruising or bleeding at the injection site
  • Burning along the penis
  • Swelling
  • Difficulty with ejaculation
  • Dizziness
  • Prolonged erection (priapism)
  • Lumps in the penis
Rare Phentolamine Side Effects

Phentolamine Dosage Information

Phentolamine Dosage & Frequency

Typical Phentolamine Dosage & Frequency
  • Customized Per Individual
  • As Needed

References

  • https://pubmed.ncbi.nlm.nih.gov/11402586/
  • https://go.drugbank.com/drugs/DB00692
  • https://pubmed.ncbi.nlm.nih.gov/3712604/
  • https://books.google.com/books?id=EpifDwAAQBAJ&pg=PA160&lpg=PA160&dq=Juenemann,+K.P.,+et+al.,+Hemodynamics+of+papaverine-+and+phentolamine-induced+penile+erection.+J+Urol,+1986.+136(1):+p.+158-61.&source=bl&ots=M4M8288rxw&sig=ACfU3U1Azfgp9dJYM-ezCDR9eFgUQH678Q&hl=en&sa=X&ved=2ahUKEwiyoO-K2NL1AhXxmuAKHfyHBlQQ6AF6BAgCEAM
  • https://www.drugs.com/sfx/phentolamine-side-effects.html

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