PDE5 Inhibitor
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Bimix
:

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Bimix

.

Intracavernosal injection (syringe)
$40–$150/month
Compounded in USA

How it works

Bimix combines papaverine (smooth muscle relaxant) and phentolamine (alpha-adrenergic blocker), producing penile vasodilation and erection through two complementary pathways — without the prostaglandin E1 component that causes injection-site pain in some men.

Why compounded?

No commercial Bimix product exists. It must be compounded from pharmaceutical-grade ingredients and is prescribed specifically for men with alprostadil sensitivity or as a pain-free alternative to Trimix.

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What is

Bimix

?

Bimix is a two-drug intracavernosal injection containing papaverine and phentolamine. It is prescribed as an alternative to Trimix for men who experience significant penile pain at the alprostadil injection site, or as a starting formulation before titrating to Trimix if needed.

While slightly less potent than Trimix in most patients, Bimix maintains high success rates in treatment-refractory ED and is well tolerated by men sensitive to prostaglandins.

How

Bimix

Works

Primary Uses

Erectile dysfunction in men intolerant to alprostadil pain, post-prostatectomy ED, diabetic neuropathy-related ED, alternative to Trimix

Other Applications

Dosing Information

⚠️ Note: Dosing should be determined by your prescriber. The information below is general guidance only.

Typical Adult Dosing

Starting dose: 0.05–0.1mL injected into lateral corpus cavernosum
Titrate to smallest dose producing 30–60 minute erection

Priapism (erection >4 hours — emergency), injection site bruising, penile fibrosis with chronic use, hypotension possible at large volumes.

Frequently Asked Questions

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