What is TriMix and How to Use it? | Dr. Anne Truong

22 Jun 2023 · 17 min
17:11

YouTube podcast episode by Dr. Anne Truong explaining Trimix (and Bimix): a compounded injectable combination (phentolamine, alprostadil, papaverine) used for erectile dysfunction, especially when oral PDE5 inhibitors fail. The video covers mechanisms of each drug, onset and duration ranges, how it is prepared and stored (freeze-dry powder reconstituted with sterile water, refrigerate, discard after 28 days), administration (self-injection with insulin syringe; typical prescription 20–30 units but dose individualized), contraindications (blood thinners, prior priapism, Peyronie’s disease, leukemia, sickle cell, multiple myeloma, penile infection), risks (bleeding, bruising, pain, priapism >4 hours, scar tissue/Peyronie’s development), and non-injection alternatives and lifestyle measures (pump, PRP, shockwave, Botox, diet/exercise/stress reduction).

Questions this video answers

Rapid onset between 5–20 minutes; peaks around 10 minutes; clinical effect may decline by ~30 minutes though can last 1–4 hours.

~80% metabolized in about 5 minutes; half-life ~5–10 minutes.

Discard after 28 days from first puncture/reconstitution.

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