Monograph
Trimix Injections
Trimix is a compounded intracavernosal injection containing three vasoactive drugs: alprostadil (a prostaglandin E1 analog), papaverine (a smooth-muscle relaxant), and phentolamine (an alpha-adrenergic antagonist). Self-administered by…
By Kristopher Crawford
·
29 May 2026
·
4 min read
Trimix is a compounded intracavernosal injection containing three vasoactive drugs: alprostadil (a prostaglandin E1 analog), papaverine (a smooth-muscle relaxant), and phentolamine (an alpha-adrenergic antagonist). Self-administered by…
In the full monograph
- What it is, and how it works
- What the evidence shows — randomized trials, observational data, animal studies, graded and cited
- Dose, form, and timing
- What to expect, and how soon
- Who should be careful, and what to check first
- The verdict
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