Anne Truong MDMen's Sexual Health Doctor

Botox vs. Viagra: Which Lasts Longer? #BotoxForED #Viagra #CompareED #MensHealth

1 Dec 2025 · 1 min

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Anne Truong MD explains in a short YouTube video comparing Botox injections for erectile dysfunction (ED) versus oral Viagra. She states Botox onset typically occurs in about 2–4 weeks (sometimes as early as 5 days) and effects last roughly 6–9 months depending on dose (higher ~100 units → up to 9 months; lower doses → around 6 months). By contrast, oral Viagra is described as lasting about 4 hours. The video frames Botox as a longer-lasting, non-permanent treatment option.

Questions this video answers

About 2–4 weeks (some men saw effects within 5 days).

Approximately 6–9 months (higher dose ~100 units may last up to 9 months; lower doses around 6 months).

About 4 hours.

Chapters

How long does this last? This isn't a one time permanent fix, but it lasts a good while. The studies show that the fast kicked in about two to four weeks, but I've seen men kick it in within five days and it lasts anywhere from six to nine months. And if you have a higher dose, such as 100 unit, it will last to nine months. If you have a lower dose, it's more six months and that is significantly longer than a pill. Right? Which usually lasts about four hours. So this lasts for months.