Anne Truong MDMen's Sexual Health Doctor

Does Bocox Hurt? What to Expect & Results! 💉 #Bocox #MensHealth #ED

2 Apr 2026 · 1 min

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In this segment Dr. Anne Truong MD explains the Bocox (Botox) treatment for erectile dysfunction. She describes using a strong local anesthetic combined with a nerve block, resulting in patients reporting only minimal discomfort—about a 1 out of 10 pain level, described as a small pinch. The procedure involves injecting Botox directly into the corpus cavernosum (the shaft of the penis). The therapeutic effect typically begins within 5 days for some patients and fully manifests around two weeks. Early signs include a slight increase in the penis’s resting size (noticed around day 5) and the return of morning erections (usually by two weeks). Once the effect is established, patients experience a restoration of sexual spontaneity.

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I use a very strong numbing medication and I also block the nerve as well. So most of my patients tell me it's like maybe a 1 out of 10 pain. And basically just a small pinch. You will not feel anything. We inject Botox into the shaft of the p—, which is the corpus cavernosum. And it takes about 2 weeks to fully kick in. Sometimes as early as 5 days. But some people feel in about 5 days, some people feel in about 2 weeks. But once it does, the spontaneity of your sex life returns. Now, what the first thing we notice for men is that your penis seems to look a little bit larger at rest, and that seems to appear at around 5 days. And that most men are noticing morning wood in about 2 weeks as well too.