Two different compounded ED ideas share a nickname.
What Are QUAD-Mix Ingredients?
| Product nickname | Typical actives | Route |
|---|---|---|
| Quad-Mix (urology) | Papaverine, phentolamine, alprostadil, atropine (recipes vary) | Injection |
| MEDVi QUAD | Sildenafil, tadalafil, PT-141, L-citrulline (July 2026 brand list) | Sublingual liquid |
Sources Checked for This Page
- FDA labels and compounding guidance; MEDVi 721455 letter where relevant.
- 2026 brand-facing price and formula statements via secondary corroboration.
This content is informational, not medical advice. The compounded combination is not FDA-approved as a finished product.
Do Not Confuse QUAD-Mix with MEDVi QUAD
Quad-Mix (or Tri-Mix/Quad-Mix style) injections are a different compounded ED category, usually involving alprostadil and related agents for intracavernosal use. It is marketed as a sublingual four-ingredient liquid with a different active stack. Mixing the two in research notes produces wrong side-effect and cost conclusions.
Compare carefully in the flagship review if you are shopping telehealth ED options.